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    <title>Prevention</title>
    <link>https://www.dairyherd.com/topics/prevention</link>
    <description>Prevention</description>
    <language>en-US</language>
    <lastBuildDate>Wed, 13 Aug 2025 19:04:08 GMT</lastBuildDate>
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    <item>
      <title>The Future of Methane Reduction: Breakthrough Technologies Take the Lead</title>
      <link>https://www.dairyherd.com/news/business/future-methane-reduction-breakthrough-technologies-take-lead</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        In a significant leap forward for sustainable agriculture, the groundbreaking Methane Eradication Photochemical System (MEPS) has successfully demonstrated its capability to eliminate dilute methane emissions from dairy barns at a commercial scale. This pioneering field demonstration marks the first real-world validation of a scalable technology that addresses methane emissions from livestock operations.&lt;br&gt;&lt;br&gt;Methane poses a substantial environmental challenge, with a global warming potential 84 times greater than carbon dioxide over a 20-year period. As livestock are responsible for approximately 30% of global anthropogenic methane emissions. the importance of MEPS in the dairy industry’s journey to net zero emissions cannot be overstated. &lt;br&gt;&lt;br&gt;The U.S. dairy industry is actively working to reduce methane emissions through various strategies, including: &lt;br&gt;&lt;ul&gt;&lt;li&gt;Improved manure management&lt;/li&gt;&lt;li&gt;Enhanced feed efficiency&lt;/li&gt;&lt;li&gt;Innovative technologies like anaerobic digesters&lt;/li&gt;&lt;/ul&gt;These efforts are part of a broader commitment to achieving net-zero greenhouse gas emissions by 2050.&lt;br&gt;&lt;br&gt;&lt;b&gt;Field Trials in Denmark: A Major Milestone&lt;/b&gt;&lt;br&gt;The large-scale trial was conducted at the Hofmansgave Foundation farm in Denmark. The MEPS unit, housed in a standard 40' shipping container, efficiently processed air samples from a 250-cow open-sided dairy barn. This trial signifies a significant transition from laboratory prototypes to a commercially viable solution.&lt;br&gt;&lt;br&gt;“The system successfully oxidized methane from dairy barn ventilation air across varying concentration levels, proving that MEPS can deliver consistent performance under real agricultural conditions with co-pollutants present. Across the initial tests, up to 90% of inlet air methane was eradicated over a methane concentration range of 4.3 ppm to 44 ppm,” says Matthew S. Johnson, co-founder and chief science officer at Ambient Carbon.&lt;br&gt;&lt;br&gt;&lt;b&gt;Industry Support and Collaboration&lt;/b&gt;&lt;br&gt;The support of Danone North America played an instrumental role in this field trial, reflecting their commitment to innovation that strengthens farm longevity and the supply chain. Ambient Carbon, in collaboration with Benton Group Dairies, works toward validating MEPS’ performance and supporting sustainable farming practices.&lt;br&gt;&lt;br&gt;Jessie Copeland, head of regenerative agriculture at Danone North America, expresses satisfaction with the initial results.&lt;br&gt;&lt;br&gt;“The success in Denmark paves the way for further strategic collaborations... reinforcing our shared commitment to enhancing farmer and supply chain resiliency,” he says.&lt;br&gt;&lt;br&gt;Chris Williams, conservation lead at Benton Dairies, adds: “We are excited to work alongside Ambient Carbon to push the boundaries of sustainable milk production.”&lt;br&gt;&lt;br&gt;Beyond methane eradication, MEPS also removes ammonia and barn odors, generating fertilizer as a by-product and enhancing resource efficiency through its closed-loop circular technology.&lt;br&gt;&lt;br&gt;&lt;b&gt;The Path Forward&lt;/b&gt;&lt;br&gt;As emphasized by Dave Kenney, CEO of Ambient Carbon, proving MEPS technology at scale is a crucial step toward delivering a commercial solution by 2026. &lt;br&gt;&lt;br&gt;MEPS is poised to become the only effective and commercially viable solution for methane concentrations below 1000 ppm — which is typical of dairy barns. Its modular design and non-invasive nature allow flexible deployment across various barn sizes without affecting farm operations.&lt;br&gt;&lt;br&gt;While the field trial focused on dairy barn emissions, the MEPS system holds promise for other sources of methane emissions, including manure storage, biogas plants and wastewater treatment facilities — potentially expanding its climate impact.&lt;br&gt;&lt;br&gt;The successful demonstration of MEPS underscores a pivotal moment for agricultural sustainability, potentially transforming the dairy industry and beyond, while reinforcing the importance of innovation in combating climate change.&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Next Read:&lt;/b&gt;&lt;br&gt;
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.dairyherd.com/news/business/u-s-dairy-exports-surge-dramatically-global-demand-soars" target="_blank" rel="noopener"&gt;&lt;b&gt;U.S. Dairy Exports Surge Dramatically as Global Demand Soars&lt;/b&gt;&lt;/a&gt;&lt;/span&gt;
    
&lt;/div&gt;</description>
      <pubDate>Wed, 13 Aug 2025 19:04:08 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/business/future-methane-reduction-breakthrough-technologies-take-lead</guid>
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      <title>Success From The Start: Calf Health Starts Before Birth</title>
      <link>https://www.dairyherd.com/news/dairy-production/success-start-calf-health-starts-birth</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        If a calf struggles during its first 60 days of life, it’s going to carry that through all phases of production. Starting a calf, whether in a traditional beef or beef-on-dairy scenario, the right way is paramount to the lifetime health of that animal.&lt;br&gt;&lt;br&gt;This is the message stressed by Dr. Taylor Engle, Four Star Veterinary Services, during 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.breedr.co/ep8-connected-cattle-health-with-dr-taylor-engle" target="_blank" rel="noopener"&gt;episode eight&lt;/a&gt;&lt;/span&gt;
    
         of “
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.breedr.co/future-of-beef-show" target="_blank" rel="noopener"&gt;The Future of Beef Show&lt;/a&gt;&lt;/span&gt;
    
        ” podcast. He says success starts before a calf is born.&lt;br&gt;&lt;br&gt;“There are a lot of really good genetics in the beef industry we can use. However, if you put that calf in an environment to fail, genetics does not play a factor,” he says. “We have to do everything right from an environmental piece to maximize the genetic potential.”&lt;br&gt;&lt;br&gt;Check out the podcast to learn more about these five key messages discussed by Engle and the podcast’s hosts:&lt;br&gt;&lt;ol class="rte2-style-ol" start="1"&gt;&lt;li&gt;&lt;b&gt;Environment matters more than genetics.&lt;/b&gt; Engle emphasizes if you put a calf in an environment to fail, genetics won’t save it. Management and early life conditions are critical to an animal’s success.&lt;br&gt;&lt;/li&gt;&lt;li&gt;&lt;b&gt;Calf health starts before birth.&lt;/b&gt; Proper care of the cow before calving, quality colostrum and a clean birthing environment are crucial for a calf’s lifetime health.&lt;br&gt;&lt;br&gt;Engle encourages producers to think about the cow’s condition before, during and after breeding.&lt;br&gt;&lt;br&gt;“Everyone gets really fired up — and rightfully so — about colostrum. Not all colostrum is created equal,” he says. “It’s what we are doing to set that cow up to have the best colostrum for that calf. Whether it’s beef-on-dairy or native, the right vaccines for the right diseases at the right time matters.”&lt;br&gt;&lt;/li&gt;&lt;li&gt;&lt;b&gt;Communication is key across the production chain.&lt;/b&gt; Sharing information about calf health, vaccination history and management practices between different stages of production can significantly improve overall animal performance.&lt;br&gt;&lt;br&gt;Engle encourages producers to record vaccination and treatment information and then share it. Communicating with the feedyard is important to help the feeder decide on how to treat cattle.&lt;br&gt;&lt;/li&gt;&lt;li&gt; &lt;b&gt;Don’t be quick to treat — understand the root cause.&lt;/b&gt; Instead of immediately administering antibiotics, veterinarians should first investigate the underlying management or environmental issues causing health problems.&lt;br&gt;&lt;br&gt;“We were trained to think it’s a disease, and more often times than not, there is a disease present. But there’s been something along the process where we have stressed that animal and caused disease,” he explains. “We’re always looking at it from an environmental standpoint and a management standpoint — the calf isn’t the culprit. What’s going on? Why did that calf break with respiratory disease? They don’t spontaneously get sick. Something happened. Was it a weather, feed or stressful event?”&lt;br&gt;&lt;br&gt;He adds management strategies and mentality can be keys to determining the cause of a sickness.&lt;br&gt;&lt;br&gt;“It’s a hard thing — whether you’re a nutritionist or vet — to have that hard conversation with a producer, be upfront with them and say, ‘It’s something we’ve done,’” he says. “A lot of times, there’s management practices that messed up along the way, and the result is a disease.”&lt;br&gt;&lt;br&gt;In his practice, he works with the producer to help them understand and recognize the management strategies to improve the outcomes.&lt;br&gt;&lt;br&gt;“In the beef industry, a lot of the mentality is, ‘We’ve never done it this way,’” he says.&lt;br&gt;“In comparison, in the poultry and pig industries, producers will say, ‘If it increases my production, I’ll do it.’ They have the mentality of being willing to give something a try to see if it increases health.”&lt;br&gt;&lt;br&gt;Engle adds, “I always tell producers if you want A results, you got to give A effort,” he explains. “You can’t have a C -plus effort and expect A results.”&lt;br&gt;&lt;/li&gt;&lt;li&gt;&lt;b&gt;Stress management is more important than treatment protocols.&lt;/b&gt; Focus on reducing stress and creating optimal conditions for calves, rather than relying solely on medical interventions.&lt;br&gt;&lt;br&gt;“The calves don’t lie,” Engle says.&lt;br&gt;&lt;br&gt;He emphasizes the importance of careful observation, advising producers to “read calves every day” and make real-time adjustments.&lt;/li&gt;&lt;/ol&gt;&lt;b&gt;Beef-on-Dairy Calf Health&lt;/b&gt;&lt;br&gt;Engle also has extensive experience with beef-on-dairy calf management and production and discussed how those animals compare to traditional beef calves, highlighting how multiple touch points and movements bring beef-on-dairy calves unique challenges — including different feeding systems and varied vaccine and management protocols at each location.&lt;br&gt;&lt;br&gt;As a positive, he says, “In the beef-on-dairy space, we have all the data points, or we have the opportunity to collect all the data points. Then you can start making decisions.”&lt;br&gt;&lt;br&gt;With this complex — but data-rich — production model, there is significant potential for improving calf health and performance.&lt;br&gt;&lt;br&gt;Engle challenges producers to think holistically about animal health, management and production.&lt;br&gt;&lt;br&gt;“It’s not the animal that’s usually causing the problems,” he says in summary. “It’s usually producer’s management or oversight. As farms have gotten bigger, the skill gap as we go higher actually closes. Everybody who has 10,000-head of cattle on feed, or more, probably knows a lot about feeding cattle. But what are you going to do for a competitive advantage that the next feedyard isn’t? I think a lot of that’s looking internally at your management strategies and your consulting team. It’s a team effort to get to where you want to be. Set those goals and look at what you need to do better to be where you want to be in the next five to 10 years.”&lt;br&gt;&lt;br&gt;
    
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      <pubDate>Tue, 15 Jul 2025 13:11:35 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/dairy-production/success-start-calf-health-starts-birth</guid>
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      <title>Breaking: Mexican Border Closed Again as New World Screwworm Comes Within 370 Miles of the U.S.</title>
      <link>https://www.dairyherd.com/news/policy/border-closed-new-world-screwworm-case-reported-370-miles-south-u-s-mexico-border</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        On July 8, Mexico’s National Service of Agro-Alimentary Health, Safety and Quality reported a new case of 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.drovers.com/topics/new-world-screwworm" target="_blank" rel="noopener"&gt;New World screwworm&lt;/a&gt;&lt;/span&gt;
    
         (NWS) in Ixhuatlan de Madero, Veracruz, Mexico, which is approximately 160 miles northward of the current sterile fly dispersal grid on the eastern side of the country and 370 miles south of the U.S./Mexico border. &lt;br&gt;&lt;br&gt;This new northward detection comes approximately two months after northern detections were reported in Oaxaca and Veracruz, less than 700 miles away from the U.S. border, which triggered the
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.drovers.com/news/ag-policy/us-suspends-mexican-cattle-horse-and-bison-imports-over-screwworm-pest" target="_blank" rel="noopener"&gt; closure of our ports to Mexican cattle, bison and horses on May 11, 2025&lt;/a&gt;&lt;/span&gt;
    
        .&lt;br&gt;&lt;br&gt;While 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.drovers.com/news/industry/breaking-news-mexican-ports-reopen-phases-cattle-trade-starting-july-7" target="_blank" rel="noopener"&gt;&lt;u&gt;USDA announced a risk-based phased port re-opening strategy for cattle, bison and equine from Mexico beginning as early as July 7, 2025&lt;/u&gt;&lt;/a&gt;&lt;/span&gt;
    
        &lt;u&gt;,&lt;/u&gt; this newly reported NWS case raises significant concern about the previously information shared by Mexican officials and severely compromises the outlined port reopening schedule of five ports from July 7 to Sept. 15. Therefore, in order to protect American livestock and the U.S. food supply, Secretary of Agriculture Brooke Rollins has ordered the closure of livestock trade through southern ports of entry effective immediately.&lt;br&gt;&lt;br&gt;“The United States has promised to be vigilant — and after detecting this new NWS case, we are pausing the planned port reopening’s to further quarantine and target this deadly pest in Mexico. We must see additional progress combatting NWS in Veracruz and other nearby Mexican states in order to reopen livestock ports along the Southern border,” Rollins says. “Thanks to the aggressive monitoring by USDA staff in the U.S. and in Mexico, we have been able to take quick and decisive action to respond to the spread of this deadly pest.”&lt;br&gt;&lt;br&gt;To ensure the protection of U.S. livestock herds, USDA is holding Mexico accountable by ensuring proactive measures are being taken to maintain a NWS free barrier. This is maintained with stringent animal movement controls, surveillance, trapping and following the proven science to push the NWS barrier south in phases as quickly as possible.&lt;br&gt;&lt;br&gt;In June, Secretary Rollins launched a 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.drovers.com/news/industry/rollins-rolls-out-5-point-plan-contain-new-world-screwworm" target="_blank" rel="noopener"&gt;&lt;u&gt;5-point plan to combat NWS&lt;/u&gt;&lt;/a&gt;&lt;/span&gt;
    
         by protecting our border at all costs, increasing eradication efforts in Mexico, and increasing readiness. USDA also announced the groundbreaking of a sterile fly dispersal facility in South Texas. This facility will provide a critical contingency capability to disperse sterile flies should a NWS detection be made in the Southern U.S. &lt;br&gt;&lt;br&gt;Simultaneously, USDA is moving forward with the design process to build a domestic sterile fly production facility to ensure it has the resources to push NWS back to the Darien Gap. USDA is working on these efforts in lockstep with border states – Arizona, New Mexico and Texas – as it will take a coordinated approach with federal, state and local partners to keep this pest at bay and out of the U.S.&lt;br&gt;&lt;br&gt;USDA will continue to have personnel perform site visits throughout Mexico to ensure the Mexican government has adequate protocols and surveillance in place to combat this pest effectively and efficiently.&lt;br&gt;
    
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        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;&lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://assets.farmjournal.com/c5/c8/80fd157347068f634d74ee8553fe/border-closed-map-usda-7-9-25.pdf" target="_blank" rel="noopener"&gt;&lt;i&gt;Click to enlarge.&lt;/i&gt;&lt;/a&gt;&lt;/span&gt;&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(USDA)&lt;/div&gt;&lt;/div&gt;
    
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        &lt;br&gt;Your Next Read: 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.drovers.com/news/education/protect-your-livestock-signs-new-world-screwworm" target="_blank" rel="noopener"&gt;Protect Your Livestock: Signs of New World Screwworm&lt;/a&gt;&lt;/span&gt;
    
&lt;/div&gt;</description>
      <pubDate>Thu, 10 Jul 2025 02:18:05 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/policy/border-closed-new-world-screwworm-case-reported-370-miles-south-u-s-mexico-border</guid>
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      <title>The Effects of Heat Stress on Dairy Cattle Development, Health and Performance</title>
      <link>https://www.dairyherd.com/news/dairy-production/effects-heat-stress-dairy-cattle-development-health-and-performance</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        It is not breaking news that yearly temperatures on Earth have been consistently rising. Indeed, data released from 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://climate.nasa.gov/vital-signs/global-temperature/?intent=121" target="_blank" rel="noopener"&gt;NASA’s Goddard Institute for Space Studies – GISS&lt;/a&gt;&lt;/span&gt;
    
         show that the global land-ocean temperature index has consistently increased after the 1900s (see Figure 1 below). &lt;br&gt;&lt;br&gt;Regardless of the many factors that have been tied to the increase in global temperature (some that were addressed in previous 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://vetextension.wsu.edu/2024/07/12/recent-data-related-to-feed-additives-strategies-to-reduce-methane-emissions-in-dairy-cows/" target="_blank" rel="noopener"&gt;WSU VetMed Extension Articles&lt;/a&gt;&lt;/span&gt;
    
        ), it is evident that the agriculture is affected by such changes, including the dairy industry. With increased global temperatures, the occurrence of heat stress (a condition that occurs when the body is exposed to excessive heat, leading to an inability to regulate body temperature effectively) and its associated detrimental impacts are more likely to be observed particularly in dairy cattle. &lt;br&gt;&lt;br&gt;A recent study projected the decadal increases in average heat stress frequencies by 2100, and revealed that the majority of the U.S. regions will have at least 6 to 8 additional days under heat stress/decade until 2100 (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0214665" target="_blank" rel="noopener"&gt;Gunn et al., 2019&lt;/a&gt;&lt;/span&gt;
    
        ; Figure 2). &lt;br&gt;&lt;br&gt;Because of the expected differences in climate, it is important that dairy industry stakeholders work together to further 1) understand the complexity and underlying mechanisms of heat stress impacts, and 2) develop alternative strategies to mitigate the detrimental impacts of heat stress. &lt;br&gt;&lt;br&gt;With that in mind, this article focuses on reviewing some of the key aspects related to heat stress impacts on cattle development, health and performance, industry economics, and mitigating strategies.&lt;br&gt;&lt;br&gt;Historically, the temperature-humidity index (THI) has been the mechanism used to determine when dairy cows are heat stressed. Although there is some variation on THI cut-offs the consensus was established as a THI between 68 and 70 (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.researchgate.net/profile/Lance-Baumgard/publication/251735409_A_Re-evaluation_of_the_Impact_of_Temperature_Humidity_Index_THI_and_Black_Globe_Humidity_Index_BGHI_on_Milk_Production_in_High_Producing_Dairy_Cows/links/5877d22608aebf17d3bbc528/A-Re-evaluation-of-the-Impact-of-Temperature-Humidity-Index-THI-and-Black-Globe-Humidity-Index-BGHI-on-Milk-Production-in-High-Producing-Dairy-Cows.pdf" target="_blank" rel="noopener"&gt;Zimbelman et al., 2009&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(23)01212-2/fulltext" target="_blank" rel="noopener"&gt;Chen et al., 2024&lt;/a&gt;&lt;/span&gt;
    
        ). Guinn et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(19)30889-6/pdf" target="_blank" rel="noopener"&gt;2019&lt;/a&gt;&lt;/span&gt;
    
        ) described the differences in mean THI between summer and winter months in the U.S. for the last 10 years (69.5 vs. 39.3, respectively), highlighting that without any heat stress abatement strategies U.S. dairy cows could be under heat stress conditions for most of the summer months. &lt;br&gt;&lt;br&gt;In fact, the same study revealed differences in productive and reproductive performance between summer and winter, illustrated by reduced milk production and pregnancy rates in summer compared with winter months. Similar results were also reported by other authors, including lowered pregnancy rates in warmer months compared with colder months of the year (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X07001367?via%3Dihub#fig1" target="_blank" rel="noopener"&gt;Hansen, 2009&lt;/a&gt;&lt;/span&gt;
    
        ). Both Tao et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301606" target="_blank" rel="noopener"&gt;2020&lt;/a&gt;&lt;/span&gt;
    
        ) and Ouellet et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301771?via%3Dihub" target="_blank" rel="noopener"&gt;2020&lt;/a&gt;&lt;/span&gt;
    
        ) depicted the detrimental impacts of heat stress on milk production and dry-matter intake (Figures 3 and 4). &lt;br&gt;&lt;br&gt;Other studies have demonstrated the effects of heat stress (or contrast between warmer vs. cooler months) on the occurrence of diseases, culling, and cow welfare. For instance, cows that calved in warmer months were observed to have greater odds of retained fetal membrane (Odds Ratio = 1.6), subclinical ketosis (Odds Ratio = 2.3), displaced abomasum (Odds Ratio = 1.8), and mastitis (Odds Ratio = 1.1) as compared with cows that calved in cooler months (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030220306482" target="_blank" rel="noopener"&gt;Pinedo et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;Al-Qaisi et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(20)30607-X/fulltext#fig2" target="_blank" rel="noopener"&gt;2020&lt;/a&gt;&lt;/span&gt;
    
        ) observed a greater somatic cell count in milk from cows exposed to heat stress conditions as compared with cows exposed to thermoneutral conditions, and cows that calved in the summer were more likely develop metritis as compared to cows that calved in cooler months (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X22002874?via%3Dihub" target="_blank" rel="noopener"&gt;Molinari et al., 2022&lt;/a&gt;&lt;/span&gt;
    
        ). Furthermore, Vitali et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030215003057" target="_blank" rel="noopener"&gt;2015&lt;/a&gt;&lt;/span&gt;
    
        ) reported higher mortality of cattle during heat wave periods compared to subsequent periods, and an association of mortality and heat wave duration (Figure 5). Heat stress conditions have also been associated with welfare issues in dairy cattle, as cows under heat stress conditions remain in a standing position for greater periods of time (possibly contributing to lameness issues) and have greater blood cortisol levels than cows under thermoneutral conditions (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030207716533?via%3Dihub" target="_blank" rel="noopener"&gt;Cook et al., 2007&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030214007164" target="_blank" rel="noopener"&gt;Allen et al., 2015&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(20)30607-X/fulltext" target="_blank" rel="noopener"&gt;Al-Qaisi et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;Considering the effects of heat stress on cattle performance, mortality, and welfare, it is not a surprise that economic losses occur. Specifically, data published in 2003 estimated that heat stress conditions cause up to $2.3 billion/year in economic losses to livestock production ($2.9 billion in 2024 considering inflation). Under heat stress abatement strategies, the economic losses drop down to $1.7 billion/year and the dairy industry represents over 50% of the costs ($897 million; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(03)74040-5/fulltext#fig3" target="_blank" rel="noopener"&gt;St-Pierre et al., 2003&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;&lt;br&gt;A component to heat stress in dairy cattle that has received a lot of attention is the “&lt;i&gt;in utero&lt;/i&gt;” heat stress on dairy calves. Recent studies highlighted the carryover effects of late gestational heat stress on the progeny, illustrated by lowered birth weight (-4.6 kg), lowered weaning weight (-7.1 kg), and reduced longevity (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301771?via%3Dihub" target="_blank" rel="noopener"&gt;Ouellet et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ). Moreover, the occurrence of heat stress during the dry period is also associated with differences in offspring mammary gland structure (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0222120" target="_blank" rel="noopener"&gt;Dado-Senn et al., 2019&lt;/a&gt;&lt;/span&gt;
    
        ), adrenal gland development (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030224006477?via%3Dihub" target="_blank" rel="noopener"&gt;Guadagnin et al., 2024&lt;/a&gt;&lt;/span&gt;
    
        ), behavior (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030217300772?via%3Dihub" target="_blank" rel="noopener"&gt;Laporta et al., 2017&lt;/a&gt;&lt;/span&gt;
    
        ), and hormonal/metabolic biomarkers (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030216303113?via%3Dihub" target="_blank" rel="noopener"&gt;Guo et al., 2016&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;Lastly, combined studies have shown the legacy effect of heat stress on offspring, as lactational performance of such offspring is also different compared to offspring generated by dams under thermoneutral conditions (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301771?via%3Dihub" target="_blank" rel="noopener"&gt;Ouellet et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ; Figure 6). &lt;br&gt;&lt;br&gt;The research findings related to the legacy effect of heat stress on offspring add another layer of importance to the topic, and suggest that the detrimental effects and economic losses previously described are potentially underestimated.&lt;br&gt;&lt;br&gt;Although the complex mechanisms that underlie the detrimental effects of heat stress on lactating dairy cows are not yet fully elucidated, studies have demonstrated biological changes associated with heat stress. For instance, lipopolysaccharide-induced accumulation of IL-1β, IL-10, and MIP-1α was greater in blood collected from postpartum cows that were under prepartum heat stress conditions as compared with control cows,implying that prepartum heat stress has carry-over effects on postpartum innate immunity, which may contribute to the increased incidence of uterine disease observed in cows exposed to prepartum heat stress (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030222007019#bib33" target="_blank" rel="noopener"&gt;Molinari et al., 2023&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;Other studies have depicted differences in gut, ovary, muscle, and metabolism morphology/function associated with heat stress, which could be tied to the occurrence of subsequent diseases, animal performance, reproductive performance, and mortality (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://pubmed.ncbi.nlm.nih.gov/25387022/" target="_blank" rel="noopener"&gt;Baumgard and Rhoads Jr, 2013&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://physoc.onlinelibrary.wiley.com/doi/10.14814/phy2.12478" target="_blank" rel="noopener"&gt;Fernandez et al., 2015&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://academic.oup.com/biolreprod/article/97/3/426/4096254?login=true" target="_blank" rel="noopener"&gt;Hale et al., 2017&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://onlinelibrary.wiley.com/doi/10.1002/mrd.22859" target="_blank" rel="noopener"&gt;Ross et al., 2017&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.mdpi.com/2076-2615/11/1/215" target="_blank" rel="noopener"&gt;Fausnacht et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20303071?via%3Dihub" target="_blank" rel="noopener"&gt;Mayorga et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC9556788/" target="_blank" rel="noopener"&gt;Tang et al., 2022&lt;/a&gt;&lt;/span&gt;
    
        ; 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030223003569?via%3Dihub" target="_blank" rel="noopener"&gt;Roths et al., 2023&lt;/a&gt;&lt;/span&gt;
    
        ). Last but certainly not least, and certainly not depicting the entirety of the mechanisms of heat stress associated with cow performance, cows under heat stress conditions have reduced feed intake (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030209705132?via%3Dihub" target="_blank" rel="noopener"&gt;Rhoads et al., 2009&lt;/a&gt;&lt;/span&gt;
    
        ) and reduced energy substrate adaptability in skeletal muscle, possibly contributing to reduced performance (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S2666910224001479" target="_blank" rel="noopener"&gt;Ellett et al., 2025&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;&lt;br&gt;Given the detrimental impacts of heat stress on cattle performance, health, and welfare, it is important to consider the region-specific variations in climate and implement heat abatement strategies as needed. There are a variety of heat abatement strategies available for dairy calves, heifers, and cows that can be implemented in dairy operations. Multiple studies have tested the effects of different strategies for heat abatement in calves. &lt;br&gt;&lt;br&gt;For instance, Dado-Senn et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S002203022030165X" target="_blank" rel="noopener"&gt;2020&lt;/a&gt;&lt;/span&gt;
    
        ) reported a positive association between postnatal heat stress abatement and thermoregulatory responses, feed intake, and health in dairy calves. Montevecchio et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://link.springer.com/article/10.1007/s00484-022-02319-w?fromPaywallRec=false" target="_blank" rel="noopener"&gt;2022&lt;/a&gt;&lt;/span&gt;
    
        ) reported a positive relationship between pre-weaning heat stress abatement and lying behavior and healing time (related to disbudding) in dairy calves. The same group also reported positive welfare-related responses and greater wither-height for calves given heat abatement strategies as compared to calves under a simple plywood hutch (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://link.springer.com/article/10.1007/s00484-022-02358-3" target="_blank" rel="noopener"&gt;Montevecchio et al., 2022&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;Benefits for heat abatement in heifers and cows were also reported. For instance, the use of shade from a freestall barn, water soakers, and fans were associated with positive effects on heifer thermoregulation and productivity as compared with heifers kept under freestall shade only (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030220309796" target="_blank" rel="noopener"&gt;Davidson et al., 2021&lt;/a&gt;&lt;/span&gt;
    
        ). Gunn et al. (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0214665" target="_blank" rel="noopener"&gt;2019&lt;/a&gt;&lt;/span&gt;
    
        ) described the milk production losses (per cow/year) according to different heat abatement strategies, ranging from minimal (open barn or shading) to intense (air conditioning). &lt;br&gt;&lt;br&gt;Aside from structural tools to improve heat abatement for dairy cattle, other studies have reported varying results associated with nutritional tools to ameliorate the impacts of heat stress in dairy cows, including chromium supplementation (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://onlinelibrary.wiley.com/doi/10.1111/j.1439-0396.2008.00913.x" target="_blank" rel="noopener"&gt;Soltan, 2010&lt;/a&gt;&lt;/span&gt;
    
        ), &lt;i&gt;Saccharomyces cerevisiae&lt;/i&gt; supplementation (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(20)30607-X/fulltext" target="_blank" rel="noopener"&gt;Al-Qaisi et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ), choline (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.journalofdairyscience.org/article/S0022-0302(21)00663-9/pdf" target="_blank" rel="noopener"&gt;Holdorf and White, 2020&lt;/a&gt;&lt;/span&gt;
    
        ), and other components (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030217305878?via%3Dihub" target="_blank" rel="noopener"&gt;Fabris et al., 2017&lt;/a&gt;&lt;/span&gt;
    
        ). &lt;br&gt;&lt;br&gt;The potential of other strategies for heat abatement have been described; for example, a research group from the University of Florida reported that the SLICK haplotype confers thermotolerance in intensively managed lactating Holstein cows (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030214004573" target="_blank" rel="noopener"&gt;Dikmen et al., 2014&lt;/a&gt;&lt;/span&gt;
    
        ). In that study, the authors revealed that cows carrying the SLICK haplotype had lowered rectal temperature and respiration rate across most times of the day compared with cows not carrying the SLICK haplotype. &lt;br&gt;&lt;br&gt;Although several aspects associated with the SLICK haplotype have not been explored, a recent study reported that SLICK Holstein cows in Puerto Rico exhibited lower body temperatures, greater voluntary solar radiation exposure, enhanced blood supply to the mammary gland, and alterations in genes and metabolites involved in arachidonic acid metabolism at the mammary gland and blood plasma (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030224000183" target="_blank" rel="noopener"&gt;Contreras-Correa et al., 2024&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;
    
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        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;Figure 1&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
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        Figure 1. Global land-ocean temperature index (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://climate.nasa.gov/vital-signs/global-temperature/?intent=121" target="_blank" rel="noopener"&gt;NASA’s Goddard Institute for Space Studies – GISS&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;
    
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            &lt;source type="image/webp"  width="1440" height="862" srcset="https://assets.farmjournal.com/dims4/default/4357d9d/2147483647/strip/true/crop/797x477+0+0/resize/568x340!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 568w,https://assets.farmjournal.com/dims4/default/b29abd9/2147483647/strip/true/crop/797x477+0+0/resize/768x460!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 768w,https://assets.farmjournal.com/dims4/default/b73e12a/2147483647/strip/true/crop/797x477+0+0/resize/1024x613!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 1024w,https://assets.farmjournal.com/dims4/default/433aad1/2147483647/strip/true/crop/797x477+0+0/resize/1440x862!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 1440w"/&gt;

    

    
        &lt;source width="1440" height="862" srcset="https://assets.farmjournal.com/dims4/default/c305b2f/2147483647/strip/true/crop/797x477+0+0/resize/1440x862!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg"/&gt;

    


    
    
    &lt;img class="Image" alt="Figure 2.jpg" srcset="https://assets.farmjournal.com/dims4/default/c71563f/2147483647/strip/true/crop/797x477+0+0/resize/568x340!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 568w,https://assets.farmjournal.com/dims4/default/61c7bec/2147483647/strip/true/crop/797x477+0+0/resize/768x460!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 768w,https://assets.farmjournal.com/dims4/default/e242f6a/2147483647/strip/true/crop/797x477+0+0/resize/1024x613!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 1024w,https://assets.farmjournal.com/dims4/default/c305b2f/2147483647/strip/true/crop/797x477+0+0/resize/1440x862!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg 1440w" width="1440" height="862" src="https://assets.farmjournal.com/dims4/default/c305b2f/2147483647/strip/true/crop/797x477+0+0/resize/1440x862!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F02%2Fd1%2F6530fd234b9bb900bd6e727ce32b%2Ffigure-2.jpg" loading="lazy"
    &gt;


&lt;/picture&gt;

    

    
        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;.&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
&lt;/figure&gt;

                        
                    
                
            
        &lt;/div&gt;
    &lt;/div&gt;
    
        Figure 2. Projected decadal increases in average annual Heat Stress Frequency between 2000 to 2100 (
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0214665" target="_blank" rel="noopener"&gt;Adapted from Gunn et al., 2019&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;
    
        &lt;div class="Enhancement" data-align-center&gt;
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            &lt;source type="image/webp"  width="1440" height="753" srcset="https://assets.farmjournal.com/dims4/default/f73af8f/2147483647/strip/true/crop/736x385+0+0/resize/568x297!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 568w,https://assets.farmjournal.com/dims4/default/2516de7/2147483647/strip/true/crop/736x385+0+0/resize/768x402!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 768w,https://assets.farmjournal.com/dims4/default/d52dcef/2147483647/strip/true/crop/736x385+0+0/resize/1024x535!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 1024w,https://assets.farmjournal.com/dims4/default/6d425a0/2147483647/strip/true/crop/736x385+0+0/resize/1440x753!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 1440w"/&gt;

    

    
        &lt;source width="1440" height="753" srcset="https://assets.farmjournal.com/dims4/default/1e6ddca/2147483647/strip/true/crop/736x385+0+0/resize/1440x753!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg"/&gt;

    


    
    
    &lt;img class="Image" alt="Figure 2.jpg" srcset="https://assets.farmjournal.com/dims4/default/4377020/2147483647/strip/true/crop/736x385+0+0/resize/568x297!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 568w,https://assets.farmjournal.com/dims4/default/e0862a1/2147483647/strip/true/crop/736x385+0+0/resize/768x402!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 768w,https://assets.farmjournal.com/dims4/default/09209f9/2147483647/strip/true/crop/736x385+0+0/resize/1024x535!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 1024w,https://assets.farmjournal.com/dims4/default/1e6ddca/2147483647/strip/true/crop/736x385+0+0/resize/1440x753!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg 1440w" width="1440" height="753" src="https://assets.farmjournal.com/dims4/default/1e6ddca/2147483647/strip/true/crop/736x385+0+0/resize/1440x753!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2F0e%2F02%2F60eafe0d42bbb227b26dc5b578ac%2Ffigure-2.jpg" loading="lazy"
    &gt;


&lt;/picture&gt;

    

    
        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;Average Daily THI&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
&lt;/figure&gt;

                        
                    
                
            
        &lt;/div&gt;
    &lt;/div&gt;
    
        Figure 3. Correlation between milk yield and the average daily temperature-humidity index (THI) of the previous week. Circles represent individual observations, and dash line represents simple linear regression. All cows were housed in the same barn equipped with evaporative cooling, and fed similar lactating cow rations (Adapted from 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301606#abs0015" target="_blank" rel="noopener"&gt;Tao et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        ).&lt;br&gt;
    
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            &lt;source type="image/webp"  width="1440" height="596" srcset="https://assets.farmjournal.com/dims4/default/36e7cb6/2147483647/strip/true/crop/800x331+0+0/resize/568x235!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 568w,https://assets.farmjournal.com/dims4/default/9545c70/2147483647/strip/true/crop/800x331+0+0/resize/768x318!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 768w,https://assets.farmjournal.com/dims4/default/e324d22/2147483647/strip/true/crop/800x331+0+0/resize/1024x424!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 1024w,https://assets.farmjournal.com/dims4/default/4dfafed/2147483647/strip/true/crop/800x331+0+0/resize/1440x596!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 1440w"/&gt;

    

    
        &lt;source width="1440" height="596" srcset="https://assets.farmjournal.com/dims4/default/e4de260/2147483647/strip/true/crop/800x331+0+0/resize/1440x596!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg"/&gt;

    


    
    
    &lt;img class="Image" alt="Figure 4.jpg" srcset="https://assets.farmjournal.com/dims4/default/e982375/2147483647/strip/true/crop/800x331+0+0/resize/568x235!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 568w,https://assets.farmjournal.com/dims4/default/7f7e13d/2147483647/strip/true/crop/800x331+0+0/resize/768x318!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 768w,https://assets.farmjournal.com/dims4/default/5e1ebde/2147483647/strip/true/crop/800x331+0+0/resize/1024x424!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 1024w,https://assets.farmjournal.com/dims4/default/e4de260/2147483647/strip/true/crop/800x331+0+0/resize/1440x596!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg 1440w" width="1440" height="596" src="https://assets.farmjournal.com/dims4/default/e4de260/2147483647/strip/true/crop/800x331+0+0/resize/1440x596!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fb3%2Fde%2F81e44d6346358745516c6ae7cfbb%2Ffigure-4.jpg" loading="lazy"
    &gt;


&lt;/picture&gt;

    

    
        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;.&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
&lt;/figure&gt;

                        
                    
                
            
        &lt;/div&gt;
    &lt;/div&gt;
    
        Figure 4. (A) Summary of difference (kg/d) in milk yield in late-gestation heat-stressed cows relative to cooled counterparts (average difference = 3.6 kg/d; 10.3%) and (B) difference (kg/d) in prepartum and postpartum dry matter intakes in late-gestation heat-stressed cows relative to cooled counterparts (prepartum average difference = 1.4 kg/d; 12.7%; postpartum difference = 0.1 kg/d, 0.5%). Adapted from 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301771?via%3Dihub" target="_blank" rel="noopener"&gt;Ouellet et al., 2020&lt;/a&gt;&lt;/span&gt;
    
        .&lt;br&gt;
    
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            &lt;source type="image/webp"  width="1440" height="1333" srcset="https://assets.farmjournal.com/dims4/default/5738aa4/2147483647/strip/true/crop/661x612+0+0/resize/568x526!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 568w,https://assets.farmjournal.com/dims4/default/e7b9609/2147483647/strip/true/crop/661x612+0+0/resize/768x711!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 768w,https://assets.farmjournal.com/dims4/default/40ba89c/2147483647/strip/true/crop/661x612+0+0/resize/1024x948!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 1024w,https://assets.farmjournal.com/dims4/default/67ce77c/2147483647/strip/true/crop/661x612+0+0/resize/1440x1333!/format/webp/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 1440w"/&gt;

    

    
        &lt;source width="1440" height="1333" srcset="https://assets.farmjournal.com/dims4/default/b63783a/2147483647/strip/true/crop/661x612+0+0/resize/1440x1333!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg"/&gt;

    


    
    
    &lt;img class="Image" alt="Figure 5.jpg" srcset="https://assets.farmjournal.com/dims4/default/b019a1d/2147483647/strip/true/crop/661x612+0+0/resize/568x526!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 568w,https://assets.farmjournal.com/dims4/default/95b5dbd/2147483647/strip/true/crop/661x612+0+0/resize/768x711!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 768w,https://assets.farmjournal.com/dims4/default/b47fd56/2147483647/strip/true/crop/661x612+0+0/resize/1024x948!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 1024w,https://assets.farmjournal.com/dims4/default/b63783a/2147483647/strip/true/crop/661x612+0+0/resize/1440x1333!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg 1440w" width="1440" height="1333" src="https://assets.farmjournal.com/dims4/default/b63783a/2147483647/strip/true/crop/661x612+0+0/resize/1440x1333!/quality/90/?url=https%3A%2F%2Fk1-prod-farm-journal.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F8a%2F327d946940b3bce893c384bd9909%2Ffigure-5.jpg" loading="lazy"
    &gt;


&lt;/picture&gt;

    

    
        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;.&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
&lt;/figure&gt;

                        
                    
                
            
        &lt;/div&gt;
    &lt;/div&gt;
    
        Figure 5. (A) Odds ratio and 95% CI calculated for dairy cow mortality during heat wave (HW) and in the 3 not heat wave days (nHW) after the end of heat wave (d 1, 2, and 3 defined as nHWst, nHWnd, and nHWrd, respectively). (B) Odds ratio and 95% CI calculated for dairy cow mortality in relation to the duration of exposure to heat. The duration of exposure was classified as short (1 to 3 heat wave days), medium (4 to 6 heat wave days), long (7 to 10 heat wave days), and very long (&amp;gt;11 heat wave days). Odds ratios are statistically significant when 95% CI does not include the unit (dashed line). Adapted from 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0022030215003057" target="_blank" rel="noopener"&gt;Vitali et al., 2015&lt;/a&gt;&lt;/span&gt;
    
        .&lt;br&gt;
    
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        &lt;div class="Figure-content"&gt;&lt;figcaption class="Figure-caption"&gt;.&lt;/figcaption&gt;&lt;div class="Figure-credit"&gt;(The Author)&lt;/div&gt;&lt;/div&gt;
    
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        Figure 6. Summary of the performance impairments associated with late-gestation heat stress for the dam (1), daughters (F1), granddaughters (F2), and dairy sector (2) reported in a series of study (where ECM = energy corrected milk). Extracted from 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.sciencedirect.com/science/article/pii/S0093691X20301771?via%3Dihub" target="_blank" rel="noopener"&gt;Ouellet et al., 2020&lt;/a&gt;&lt;/span&gt;
    
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      <pubDate>Wed, 23 Apr 2025 15:18:39 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/dairy-production/effects-heat-stress-dairy-cattle-development-health-and-performance</guid>
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      <title>Cool Calves Live Longer</title>
      <link>https://www.dairyherd.com/news/dairy-production/cool-calves-live-longer</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        The average number of lactations of a U.S. dairy cow currently rests at about 2.8, or around 5 years of age.&lt;br&gt;&lt;br&gt;That’s a fairly shocking statistic, considering a cow’s natural lifespan can be up to 20 years or more. And, on average, it takes about two full lactations before heifers begin to generate return on investment for their rearing or purchase cost. Given today’s robust heifer values, that time before young cows begin to pay the bills may be even greater.&lt;br&gt;&lt;br&gt;So, how can we help cows live longer, more productive lives? Researchers at the University of Florida assessed one factor: birth season. They predicted that cows that entered the world during seasons of heat stress would have shorter lifespans. And they were right.&lt;br&gt;&lt;br&gt;The study, led by researcher Izabella Toledo and published in the 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.jdscommun.org/article/S2666-9102(24)00095-4/fulltext" target="_blank" rel="noopener"&gt;&lt;i&gt;Journal of Dairy Science&lt;/i&gt;&lt;/a&gt;&lt;/span&gt;
    
        , examined the DairyComp records of more than 10,000 cows in Florida and 8,000 in California that remained alive and productive for more than 5 lactations.&lt;br&gt;&lt;br&gt;The data were sorted to identify animals born over a period of 10 years (2012-2022) in the cool season (December, January, February, and March) and the hot season (June, July, August, and September). Cows born in the more temperate months of April, May, October, and November were not included in the dataset.&lt;br&gt;&lt;br&gt;In Florida, 14.5% of cows (1,567) born in the test months were still alive and milking after 5 lactations. Of them, more than double (1,129, or 72%) were born in the cool months compared to the hot months (438, or 28%). In California, 20.4% (1,669) of the dataset made it 5 lactations or longer, with 56.% of them born in the cool months, versus 44% born in the hot months.&lt;br&gt;&lt;br&gt;The Florida dataset also was analyzed for the number of cows born in the tests months that were dead or sold for beef in the first 4 lactations, and the reasons why. A total of 1,454 were sold and another 238 died. Selling reasons included breeding, foot and leg, digestive, and respiratory issues, along with mastitis.&lt;br&gt;&lt;br&gt;Significantly more cows born in the hot season (53%) compared to the cool season (47%) were sold for beef.On-farm deaths also were significantly higher for cows born in the hot (54%) versus cool (46%) season.&lt;br&gt;&lt;br&gt;Toledo and her team concluded that the results give even more credence to the deleterious impacts of heat stress on dairy productivity. Previous studies – many also conducted by University of Florida researchers – have shown that heat stress during late pregnancy affects dams’ milk production in the next lactation, immune function, and calf birth weight.&lt;br&gt;&lt;br&gt;Further, they have found that calves exposed to heat stress in late gestation had 19% lower milk production in their own first lactations, and even passed that lower milk production potential on to their offspring.&lt;br&gt;&lt;br&gt;Toledo said the results of the current study suggest a potential two-pronged approach to protecting the productive life integrity of newborn heifers: (1) implement heat-stress abatement measures for dams, including shade, fans, soakers, and misters; and (2) alter breeding decisions to avoid births in seasons of peak heat.&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Next Read: &lt;/b&gt;
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.dairyherd.com/news/dairy-production/new-kind-ai-dairy-calves" target="_blank" rel="noopener"&gt;&lt;b&gt;A New Kind of AI for Dairy Calves&lt;/b&gt;&lt;/a&gt;&lt;/span&gt;
    
&lt;/div&gt;</description>
      <pubDate>Thu, 03 Apr 2025 15:00:00 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/dairy-production/cool-calves-live-longer</guid>
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      <title>Mastering Milk Quality and Cow Comfort: Insights from The Udder Doctor</title>
      <link>https://www.dairyherd.com/news/education/mastering-milk-quality-and-cow-comfort-insights-udder-doctor</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        In the world of dairy farming, maximizing milk quality and cow comfort is paramount. Dr. Andy Johnson, famously known as ‘The Udder Doctor,’ has been at the forefront of this mission. With experience ranging from small farms with 20 cows to large-scale operations with 22,000 cows, Dr. Johnson’s insights have reached dairies across 30 countries and 47 states.&lt;br&gt;&lt;br&gt;Throughout his career, he has championed the “100 Award,” an accolade granted to dairies that maintain an average of 100 lbs. of milk production under a somatic cell count of 100,000. Remarkably, in the past 15 years, more than 40 dairies have earned this distinction, with 75% achieving it in just the last five years. According to Dr. Johnson, a farm’s cell count is a reflection of its management practices, encompassing factors like housing, milking routines, and equipment maintenance.&lt;br&gt;&lt;br&gt;&lt;b&gt;Prioritizing Cow Comfort and Hygiene&lt;/b&gt;&lt;br&gt;A key point emphasized by Dr. Johnson is the critical role of environmental cleanliness in preventing infections.&lt;br&gt;&lt;br&gt;“Cows in a dirty environment will have a higher risk to new infections. Keep cows clean, dry, and comfortable 24 hours a day,” he advises. This was a central message shared with over 300 attendees at the 2025 National Mastitis Council Annual Meeting in Charlotte, N.C.&lt;br&gt;&lt;br&gt;Dr. Johnson also underscores the importance of a consistent milking routine and proper training for milkers.&lt;br&gt;&lt;br&gt;“Do not just train one time,” he insists. “Continual training is a must.” This ongoing education is vital for maintaining high standards of milk quality.&lt;br&gt;&lt;br&gt;&lt;b&gt;Optimizing Milking Routine&lt;/b&gt;&lt;br&gt;&lt;br&gt;Focusing on the milking procedure, Dr. Johnson outlines an ideal routine:&lt;br&gt;&lt;br&gt;&lt;b&gt;1. Dry wipe and predip:&lt;/b&gt; Begin with cleaning and preparing the udder.&lt;br&gt;&lt;br&gt;&lt;b&gt;2. Strip and dry:&lt;/b&gt; Strip teats to promote milk letdown and check for abnormalities, then dry thoroughly.&lt;br&gt;&lt;br&gt;&lt;b&gt;3. Attach and align:&lt;/b&gt; Properly attach the milking unit and align it to ensure efficiency.&lt;br&gt;&lt;br&gt;Achieving the fastest milking with highest flow rates and optimal milk quality requires adherence to these steps. Proper drying enhances milk speed and reduces clinical mastitis, while complete stripping helps ensure the best let down and early detection of abnormal milk.&lt;br&gt;&lt;br&gt;“Everyone will benefit by stripping. It just takes an attitude change,” Dr. Johnson notes, pointing out that the most successful herds implement this practice diligently.&lt;br&gt;&lt;br&gt;He further advises that the optimal lag time between stripping and unit attachment should be at least 90 seconds. Moreover, maintaining clean cow legs—even if there’s a small amount of manure at the foot bottom—is crucial.&lt;br&gt;&lt;br&gt;“Those little things really do matter,” he notes, emphasizing that attention to detail is rewarded with improved milk quality.&lt;br&gt;&lt;br&gt;&lt;b&gt;The Importance of Proper Equipment Management&lt;/b&gt;&lt;br&gt;Another critical factor in milking efficiency is the correct management of equipment, particularly the vacuum speed.&lt;br&gt;&lt;br&gt;“Low vacuum is the number one problem on dairy,” Dr. Johnson states. Ensuring compatibility between vacuum speed and inflations is crucial for achieving swift, high-quality yields. “I’ve got dairies that are getting over 100 lbs. in under three and a half minutes,” he proudly asserts.&lt;br&gt;&lt;br&gt;Embracing these techniques can lead to substantial improvements in both productivity and quality.&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Next Read:&lt;/b&gt;&lt;br&gt;
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.dairyherd.com/news/business/united-front-future-dairy-industry-innovations" target="_blank" rel="noopener"&gt;A United Front: The Future of Dairy Industry Innovations&lt;/a&gt;&lt;/span&gt;
    
&lt;/div&gt;</description>
      <pubDate>Mon, 10 Feb 2025 13:19:51 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/education/mastering-milk-quality-and-cow-comfort-insights-udder-doctor</guid>
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      <title>5 Reasons Consumer Distrust In Our Food Supply Is Rising</title>
      <link>https://www.dairyherd.com/news/business/5-reasons-consumer-distrust-our-food-supply-rising</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        Bread, check. Blueberries, check. As I wheel my grocery cart alongside the deli case, I’m taken aback at what I see. Rather, it is what I don’t see that has me wondering, “What in the world?” This section of my favorite grocery store is now almost completely empty, except for a couple of ham loaves and a renegade block of cheese.&lt;br&gt;&lt;br&gt;In a slightly distraught tone I ask the worker behind the counter, “What’s going on?” He hesitates for a moment, then replies, “The store is in the process of changing suppliers for our deli products. We should have more of a selection next week.” Then it dawns on me: my favorite brand of deli meat and cheese, Boar’s Head, has officially been blacklisted by my go-to grocery store.&lt;br&gt;&lt;br&gt;I should not have been surprised. Boar’s Head began its fall from public grace on July 26, 2024, when the company issued a recall for more than 207,528 lb. of product due to potential listeria contamination. The CDC linked the contamination to 61 illnesses and, tragically, 10 deaths. It was the worst listeria outbreak in the U.S. in over a decade.&lt;br&gt;&lt;br&gt;The outbreak was ultimately traced to a production line at the company’s Jarratt, Va., plant. According to USDA inspection reports, which USA Today had to obtain through a Freedom of Information Act request, 69 reports of non-compliance were recorded at the Jarratt plant between 2023 and 2024. What was in those reports was unsettling. Documentation of insects live and dead, black and green mold, mildew, dripping and standing water, as well as other unsanitary conditions within the plant in the weeks leading up to the July recall. In a move that was too little too late, Boar’s Head announced on Sept. 13, 2024 that the Jarratt plant would be closed permanently.&lt;br&gt;&lt;br&gt;In 1906, Upton Sinclair published his famous novel “The Jungle,” which exposed the horrific conditions in the meatpacking industry at the time. The writer’s work proved to be an instant bestseller to the masses. The irony is that nearly 120 years later, one might find it hard to discern whether they’re reading a current USDA Food Safety and Inspection Service (FSIS) report or a chapter straight out of “The Jungle.”&lt;br&gt;&lt;br&gt;&lt;b&gt;Just One Of Many&lt;/b&gt;&lt;br&gt;The Boar’s Head case was only one the high profile food recalls last year. Remember the E. coli contaminated onions on McDonald’s quarter pounders? Then, Costco issued a massive recall on their Kirkland Signature brand of organic eggs because of a threat of Salmonella. And to cap off the year with the scariest illness yet, on Dec. 18, 2024, the CDC confirmed a patient in Louisiana had been hospitalized with the nation’s first severe case of avian influenza A (H5N1) virus, aka the “bird flu.”&lt;br&gt;&lt;br&gt;If it seems that the number of food recalls are coming at us at a more fast and furious pace than ever, then your gut instinct is spot on. The Food and Drug Administration, which reports food and cosmetics together, says 1,908 such products were recalled in the fiscal year that ended in September. That’s the highest number since 2019. Such a constant barrage of warnings is having a serious affect on consumers’ overall psyche — and not in a positive way. According to a September 2024 Gallup report, only 57% of Americans say they have a “great deal” or “fair amount” of confidence in the government to keep food safe. This number is a 27 point decrease since 2019, and is a record low for the Gallup Consumption Habits Poll since its inception in 1999.&lt;br&gt;&lt;br&gt;This explosion of 20th century foodborne illnesses has me asking the same question I asked the worker behind the deli counter: “What’s going on?”&lt;br&gt;&lt;br&gt;&lt;b&gt;5 Reasons To Be Skeptical&lt;/b&gt;&lt;br&gt;There are multiple reasons consumers have good reason to be less confident in the safety of their food.&lt;br&gt;&lt;br&gt;First, there’s the government. Second, more and more of our food is imported, which makes it harder to inspect. Third, you have a growing quest for more natural food, which sometimes circumvents traditional inspection channels. Fourth, industry consolidation means only a handful of players control both the production and processing. That’s not inherently a bad thing, but if something goes wrong, it’s probably going to be big. Finally, we now have the ability, through more technology and data, to find, detect and isolate the specific source of contamination and document it.&lt;br&gt;&lt;br&gt;&lt;b&gt;Time For An Overhaul&lt;/b&gt;&lt;br&gt;Food safety policy and implementation at the government level is in need of a serious overhaul. There is a chance it could actually happen. In 2018, the previous Trump administration proposed consolidating federal food oversight into a single agency with USDA.&lt;br&gt;&lt;br&gt;There are so many common sense things that a fully functioning food agency could do. For one, start with better and more noticeable country of origin labeling (COOL) on imported foods. It should be prominent, displaying the country’s flag as the primary indicator of origin. If nothing else, we’ll all get better at geography. Next, companies that embrace new technologies that prevent contamination should be rewarded with tax credits. We do it for electric cars. Why not for safer food?&lt;br&gt;&lt;br&gt;Finally, the most important change needs to come in the form of accountability and transparency both from the food industry itself and the government that regulates it. That didn’t happen in the case of Boar’s Head, and 10 people lost their lives because of it. In the age of AI and social media, those FSIS plant inspection reports should be posted on platforms such as X and Facebook for the public to see in real time. Without such transparency, we’re no better off than we were back in 1906.
    
&lt;/div&gt;</description>
      <pubDate>Tue, 28 Jan 2025 20:49:59 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/business/5-reasons-consumer-distrust-our-food-supply-rising</guid>
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      <title>Some California Veterinarians Say Virus-Hit Dairies See More Abortions in First-Calf Heifers and Dry Cows</title>
      <link>https://www.dairyherd.com/news/dairy-production/some-california-veterinarians-say-virus-hit-dairies-see-more-abortions-firs</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        Triple-digit temperatures lasting for days and then weeks helped fuel a firestorm of highly pathogenic avian influenza A virus (HPAI A H5N1) cases on California dairy farms last summer.&lt;br&gt;&lt;br&gt;“August wasn’t too bad, September was kind of rough, and then early October was severe,” recalls Dr. Maxwell Beal. “I think part of the problem was the cows had little relief from the heat even at night.”&lt;br&gt;&lt;br&gt;But even with the onset of winter, Beal, with Mill Creek Veterinary Services, Visalia, Calif., adds that, “Cooler temperatures haven’t slowed the spread.”&lt;br&gt;&lt;br&gt;Indeed, cases of the virus continue to trend upward in California. The state, the single largest producer of milk in the U.S., with 1,300 commercial herds and 1.7 million milk cows, holds the dubious distinction of being the current epicenter for HPAI H5N1.&lt;br&gt;&lt;br&gt;As of Dec. 19, 2024, the California Department of Food and Agriculture had confirmed 650 dairy cowherds – roughly half of the commercial herds in the state – had been infected with the virus (see 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.cdfa.ca.gov/AHFSS/Animal_Health/HPAI.html" target="_blank" rel="noopener"&gt;&lt;u&gt;AHFSS - AHB - H5N1 Bird Flu Virus in Livestock - CDFA).&lt;/u&gt;&lt;/a&gt;&lt;/span&gt;
    
        &lt;br&gt;&lt;br&gt;Bovine Veterinarian talked with several veterinarians in the Golden State and elsewhere about what their herds, producers and farmworkers have experienced and how they are addressing the virus. This is a summary of what practitioners shared.&lt;br&gt;
    
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        &lt;h4&gt;&lt;b&gt;Younger Dairy Animals Are Being Affected, As Well As Lactating Cows.&lt;/b&gt;&lt;/h4&gt;
    
        &lt;br&gt;Among production animals on the dairy farm, lactating cows have taken the brunt of the virus infections so far, but that doesn’t mean other segments in cowherds aren’t or can’t be affected.&lt;br&gt;&lt;br&gt;“I’m hearing reports from California veterinarians of sick young calves and challenges with cows resuming production and reports of dry cows aborting,” says Dr. Barb Petersen, owner and operator of Sunrise Veterinary Service, Amarillo, Texas. Petersen helped confirm the first case of HPAI H5N1 identified in U.S. dairy cattle last spring.&lt;br&gt;&lt;br&gt;One of those reports came to her from Beal in California.&lt;br&gt;&lt;br&gt;“I tell people, ‘Don’t sleep on your heifers, calves or your bulls, because there could be issues that we don’t know about yet simply because that’s not been our focus,’” says Beal, who reports that his virus-hit dairies have all experienced an uptick of abortions in first-calf heifers.&lt;br&gt;&lt;br&gt;“One thing that happens at every affected dairy is we lose more calves, that were already called pregnant, and they’ll be all over the map as far as gestational age,” he says.&lt;br&gt;&lt;br&gt;“It happens to dry cows, it happens to big calves, and these heifer abortions were all at 180- to 220-days (DCC), somewhere in there,” he adds. “Whether that’s directly caused by the bird flu or it’s caused by the clinical symptoms of the flu, I don’t know. And it’s the same for other veterinarians in our practice to the point that we will go back and reconfirm pregnant animals that we had already reconfirmed.”&lt;br&gt;&lt;br&gt;Dr. Blaine Melody has had similar experiences: “We’ve consistently seen more early embryonic death and fetal loss at various days of gestation. We have recommended clients switch from long-acting dry cow tubes to lactating if we’re given the heads up before clinical outbreak, via early non-negative bulk tanks,” says Melody, a partner at Lander Veterinary Clinic, Turlock, Calif.&lt;br&gt;&lt;br&gt;
    
        &lt;h4&gt;&lt;b&gt;The Virus Amplifies Existing Health And Management Issues.&lt;/b&gt;&lt;/h4&gt;
    
        &lt;br&gt;While HPAI H5N1 is associated with high morbidity and mortality in birds, this hasn’t been the case for dairy cattle in most regions of the country. Most affected animals reportedly recover with supportive treatment, and the mortality/culling rate has been low at 2% or less, according to the American Veterinary Medical Association.&lt;br&gt;&lt;br&gt;
    
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        That percentage fits with Beal’s experience in California, but dairy producers in some parts of the state have reported higher mortality levels. Some have experienced cow mortality rates as high as 15% or 20%, according to a Reuters article published in October. See 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.reuters.com/world/us/cows-dead-bird-flu-rot-california-heat-bakes-dairy-farms-2024-10-17/" target="_blank" rel="noopener"&gt;Cows dead from bird flu rot in California&lt;/a&gt;&lt;/span&gt;
    
        &lt;br&gt;&lt;br&gt;“Cows that get H5N1 are compromised, so any other health issues that are present in the dairy increase,” Beal explains. “Staph aureus, mastitis, mycoplasma, all of them go up.”&lt;br&gt;&lt;br&gt;“The virus takes the problems that are already on your dairy that you’ve either figured out how to cope with or they’re just sitting at a low level, and it exacerbates them for probably a month,” he adds.&lt;br&gt;&lt;br&gt;Melody says management quality plays a huge role in what producers and their employees must deal with when the virus hits.&lt;br&gt;&lt;br&gt;“If you have overcrowded pens, bad cow comfort, poor nutrition management, poor transition cow management or any other underlying risk factors, you will have a worse outcome with a clinical HPAI outbreak. That’s a given,” he says.&lt;br&gt;&lt;br&gt;In mid-December, California Gov. Gavin Newsom declared a State of Emergency to address the virus in California dairy cattle, ramping up monitoring, quarantine efforts, and resource deployment. See 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.bovinevetonline.com/news/education/california-issues-state-emergency-warning-response-more-bird-flu-found-dairies" target="_blank" rel="noopener"&gt;California Issues State of Emergency Warning in Response to More Bird Flu Found on Dairies&lt;/a&gt;&lt;/span&gt;
    
        &lt;br&gt;&lt;br&gt;&lt;b&gt;The number of farmworkers infected with the virus is likely higher than what’s being reported.&lt;/b&gt;&lt;br&gt;&lt;br&gt;Officially, there have been 66 confirmations of human being infected by the virus in the U.S. See 
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.cdc.gov/bird-flu/situation-summary/index.html" target="_blank" rel="noopener"&gt;H5 Bird Flu: Current Situation&lt;/a&gt;&lt;/span&gt;
    
        &lt;br&gt;&lt;br&gt;Melody, Beal and other veterinarians told Bovine Veterinarian they have seen presumed infected employees on farms working with cows.&lt;br&gt;
    
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        “Some of these workers are at potential risk, because we don’t know all the ways this virus is spreading yet,” Melody says.&lt;br&gt;&lt;br&gt;“They just put their heads down and work, so they can keep their paycheck,” Beal adds.&lt;br&gt;&lt;br&gt;
    
        &lt;h4&gt;&lt;b&gt;Drenching Cows Can Help, But Rest Can Do As Much Good In Some Scenarios.&lt;/b&gt;&lt;/h4&gt;
    
        &lt;br&gt;Both Beal and Melody say drenching can help clinical HPAI cows, but veterinarians and their producers need a good plan for the treatment to work well.&lt;br&gt;&lt;br&gt;Beal says there is a significant learning curve for people who have never or seldom drenched a cow. Employees on some of the infected dairies he works with went from never using the practice to suddenly treating hundreds and even thousands of cows a day.&lt;br&gt;&lt;br&gt;In that intense scenario, Beal says it’s nearly impossible for employees to succeed.&lt;br&gt;&lt;br&gt;“When you run a drench hose through 1,000 cows, you will not do as good a job with that last cow as you did with the first one,” he explains.&lt;br&gt;&lt;br&gt;There is real potential to cause more harm than good to the animal physically, Melody adds.&lt;br&gt;&lt;br&gt;“Drenching can help, but if you’re locking cows up too long or drowning cows because you’re drenching lots of cows and you’re exhausted, that undoes any good you’re trying to accomplish,” he says.&lt;br&gt;
    
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        Beal says after working with a couple of outbreaks, he decided to try a different approach.&lt;br&gt;&lt;br&gt;“We started to use a let-the-cows-rest approach, and I felt like we were still doing just as much good for the animals and not exhausting our staff in the process,” he says.&lt;br&gt;&lt;br&gt;However, he continued to encourage workers to drench the ones that were clinically dehydrated or exhibiting signs of duress.&lt;br&gt;&lt;br&gt;“I would say the ones that showed clinical signs to the degree that they warranted treatment has averaged around 30% in a herd,” Beal says. “The ones that are obviously clinically affected we need to treat, but not necessarily the ‘she’s got a runny nose,’ cows.”&lt;br&gt;&lt;br&gt;
    
        &lt;h4&gt;&lt;b&gt;What Is Your Definition Of Disease?&lt;/b&gt;&lt;/h4&gt;
    
        &lt;br&gt;Melody says one of the challenges is how veterinarians and producers define disease as well as their definition of severity. With regard to HPAI H5N1, he has observed inconsistent practices and varied approaches to reporting, because people don’t have a consistent benchmark for reference.&lt;br&gt;&lt;br&gt;“When you get HPAI on dairies, every cow that gets sick is then called a flu cow, but you can’t conflate that it’s all influenza,” he says.&lt;br&gt;&lt;br&gt;Melody also encourages practitioners to keep a tight rein on their treatment protocols and to maintain consistent practices with regard to regulations.&lt;br&gt;&lt;br&gt;“If you make things gray, when it comes to regulatory standards, we can quickly start to spiral, because you start going, ‘Well, we made this exception for this, so why not here too?’” Melody says. “Stay with your established playbook, and don’t deviate from it.”&lt;br&gt;&lt;br&gt;
    
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        Melody and Beal both say they have been frustrated at times by slow turnarounds by state laboratories responsible for providing test results. Their advice: Be a squeaky wheel with regard to getting virus test results.&lt;br&gt;&lt;br&gt;“Many testing labs are overrun with samples, and the process gets bogged down, or the results don’t get to the veterinarian because of confidentiality rules,” Melody says.&lt;br&gt;&lt;br&gt;“Some people are shipping animals that are infected but don’t know it because they didn’t get the information back in a timely fashion from the bulk tank tests,” Beal adds. “There needs to be a reworking of the testing protocols.”&lt;br&gt;&lt;br&gt;
    
        &lt;h4&gt;&lt;b&gt;Nutrition And Cow Comfort Practices Can Help Affected Animals Return To Good Production Levels.&lt;/b&gt;&lt;/h4&gt;
    
        &lt;br&gt;Melody and Beal say most of their clients’ cows return to a good level of production post infection.&lt;br&gt;&lt;br&gt;“Now, do they all come back 100%? No, I haven’t seen that on any of my dairies,” Beal says. “If people compare production now to last December, there’s likely a deficit. Some of the cows are ending up 5 lb. to 6 lb. under where they were this same time last year. That’s not unusual.”&lt;br&gt;&lt;br&gt;Beal adds that veterinarians who can talk with their clients about what ramifications to expect from the disease, before it ever reaches their herd, can probably save a significant number of cows from being culled in the future.&lt;br&gt;&lt;br&gt;What can improve that scenario for virus-impacted cows in the future is investing dollars in nutrition and facilities as farm resources permit, Melody adds.&lt;br&gt;&lt;br&gt;“Renovate your dry cow barn, put some shade over those animals, put a little extra metabolizable protein into the fresh cows right now to make sure they’re getting off to a good start,” Melody advises. “Do good management, the things that you know are going to make your cows strong. Those things will pay for themselves whether you’re in the midst of a virus outbreak or wanting to help cows in the long-term.”&lt;br&gt;&lt;br&gt;____________________________________________________________________________&lt;br&gt;
    
        &lt;h3&gt;&lt;/h3&gt;
    
        &lt;h3&gt;‘No Established Gold Standard’&lt;/h3&gt;
    
        &lt;br&gt;Dr. Blaine Melody, a partner at Lander Veterinary Clinic in Turlock, Calif., says somatic cell counts (SCC) are not a gold standard for defining parameters of the HPAI A H5N1 virus. He says SCCs can be wildly different for each farm because of management differences — whether dumping not dumping milk, sturdy versus frail cows, good or bad preexisting milk quality practices.&lt;br&gt;&lt;br&gt;“My goal is trying to get as close to an apples-to-apples comparison between farms, and you can only decipher that by knowing the farms and asking more questions when people start throwing numbers around,” he says.&lt;br&gt;&lt;br&gt;
    
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        Melody offers one real-life example from his experience:&lt;br&gt;&lt;br&gt;“Two dairies get HPAI at the same time,” Melody says. “One farm gets hammered with a 15% cow clinical mastitis case rate for the duration of the epidemic. The other farm may say it never had any HPAI clinical mastitis cows and only treated a handful of febrile cows with no milk, respiratory or GI disease. You look at their records and can confirm that to be ‘true.’ You ask more questions and also learn that the primary method of identifying mastitis is different between those two farms: the first farm strips and visually screens each quarter for abnormal milk, while the second does not and relies solely on milk conductivity sensors.”&lt;br&gt;&lt;br&gt;“The vast majority of these clinical cows in our area are mild cases of mastitis with no effect on the udder or cow,” he adds. “This thick, clinical HPAI milk did not get flagged with conductivity sensors. Even within the same brand there can be modified settings farm to farm. The truth in this example ‘lied’ in the salable milk quality when their SCC more than doubled.&lt;br&gt;&lt;br&gt;“The importance is understanding the farm management differences and knowing what further questions to ask rather than jumping at naked numbers that are often without clear denominators,” Melody says.&lt;br&gt;____________________________________________________________________________&lt;br&gt;&lt;br&gt;
    
        &lt;h3&gt;200-Plus Mammal Species Infected&lt;/h3&gt;
    
        &lt;br&gt;While researchers have learned a lot about HPAI A H5N1 since its confirmation in a Texas dairy herd in March 2024, much is still unknown, including the various ways the disease might spread and which animals it infects.&lt;br&gt;&lt;br&gt;According to USDA’s APHIS, in addition to dairy cows, more than 200 other mammal species in the U.S. have been infected by the virus since 2022. One of the hardest hit animal populations on farms are barn cats, which often consume colostrum and raw milk, not to mention potentially infected birds and vermin.&lt;br&gt;&lt;br&gt;Other U.S. mammals infected with the virus include a bottlenose dolphin, foxes, bobcats, mountain lions, coyotes, skunks, harbor and grey seals, opossums, squirrels, minks, otters, black bears, brown bears, polar bears, and a single pig on a backyard farm in Oregon, confirmed in late October.&lt;br&gt;
    
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        &lt;div class="Enhancement" data-align-center&gt;
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      <title>How Dairy Producers are Boosting Profitability</title>
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        In the ever-competitive world of agriculture, dairy producers are continuously exploring new avenues to ensure the sustainability and growth of their operations. In the face of fluctuating market dynamics and economic pressures, innovative profitability strategies have become crucial, particularly in the dairy industry.&lt;br&gt;&lt;br&gt;&lt;b&gt;Alternative Profit Strategies&lt;/b&gt;&lt;br&gt;With the spotlight on profitability, many dairy producers have turned their attention to alternative profit sources. This shift has been especially significant during times when milk prices are less than favorable. Robin Schmahl from AgMarket.Net highlights the beef-on-dairy strategy as a pivotal approach to increasing income. By integrating beef genetics into dairy herds, many producers have successfully split their breeding practices between sexed semen and beef, leading to substantial income boosts over recent years.&lt;br&gt;&lt;br&gt;&lt;b&gt;Understanding Market Dynamics&lt;/b&gt;&lt;br&gt;Market dynamics play a critical role in shaping milk production. According to Phil Plourd, head of market intelligence at Ever.Ag Insights, the unfavorable economic conditions have historically squeezed milk production. Despite this, he remains optimistic about the upcoming 12 months, suggesting they present the best profit potential for dairy producers in recent times. His observation that “Historically, more money generally means more milk,” underlines the intricate relationship between economic conditions and milk yield.&lt;br&gt;&lt;br&gt;&lt;b&gt;Challenges with Dairy Replacement Heifers&lt;/b&gt;&lt;br&gt;The adoption of beef-on-dairy practices has, however, led to a decrease in the availability of dairy replacement animals. This scarcity has driven up prices, presenting a challenge for producers, especially those planning for expansion. Larger operations are now strategizing ways to secure replacements either through internal growth or external purchases well in advance.&lt;br&gt;&lt;br&gt;“I don’t think they’re going to wake up three days before they open the new dairy and say, ‘Oh, wait, I need heifers,’” Plourd says.&lt;br&gt;&lt;br&gt;&lt;b&gt;Adapting to Market Signals&lt;/b&gt;&lt;br&gt;While there is potential market growth with higher milk prices, current dairy heifer inventory doesn’t entirely align with this trend. However, Schmahl points out that the increased milk prices offer producers more flexibility, allowing them to invest in replacements or retain older cows to maximize their output.&lt;br&gt;&lt;br&gt;&lt;b&gt;Risk Management in a Volatile Market&lt;/b&gt;&lt;br&gt;Efficient risk management strategies are crucial to navigating the ups and downs of the market. Schmahl emphasizes the importance of engaging in risk management without capping potential gains. He recommends option strategies or revenue protection, advising producers to remain flexible and informed as they plan for the future.&lt;br&gt;&lt;br&gt;“You don’t want to limit your upside,” Schmahl insists, while cautioning producers about using futures, encouraging a balance between protection and opportunity.&lt;br&gt;&lt;br&gt;As the dairy industry continues its evolution, staying informed and adaptable is essential for producers looking to capitalize on emerging trends. By employing innovative strategies and maintaining a sharp focus on market signals, dairy producers can navigate economic challenges to secure and enhance their profitability.&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Next Read:&lt;/b&gt;&lt;br&gt;
    
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      <title>USDA Reports First H5N1 Detection in Swine</title>
      <link>https://www.dairyherd.com/news/education/usda-reports-first-h5n1-detection-swine</link>
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        USDA announced on Oct. 30 the first reported case of H5N1 in a pig in an Oregon backyard farm. It’s important to note there is no concern about the safety of the nation’s pork supply as a result of this finding, USDA said. This farm is a non-commercial operation, and the animals were not intended for the commercial food supply. &lt;br&gt;&lt;br&gt;“The confirmed case in Oregon poses no threat to consumer health or food safety; properly handled and cooked pork products remain safe for consumption,” Bryan Humphreys, National Pork Producers Council (NPPC) CEO said in a statement. “The entire pork industry remains committed to safeguarding food safety and human and animal health.”&lt;br&gt;&lt;br&gt;The case was discovered on a backyard farm that includes a mix of poultry and livestock, including swine. The Oregon Department of Agriculture announced on Friday, Oct. 25, that poultry on this farm represented the first H5N1 detection in Crook County, Oregon. On Tuesday, Oct. 29, the USDA National Veterinary Services Laboratories also confirmed one of the farm’s five pigs to be infected with H5N1, marking the first detection of H5N1 in swine in the U.S., USDA reports.  &lt;br&gt;&lt;br&gt;“The livestock and poultry on this farm shared water sources, housing, and equipment; in other states, this combination has enabled transmission between species. Although the swine did not display signs of illness, the Oregon Department of Health and USDA tested the five swine for H5N1 out of an abundance of caution and because of the presence of H5N1 in other animals on the premises,” USDA wrote. &lt;br&gt;&lt;br&gt;The swine were euthanized to facilitate additional diagnostic analysis. Although test results were negative for two of the pigs, and test results are still pending for two others.  &lt;br&gt;The farm has been quarantined to prevent further spread of the virus. Other animals on the farm include sheep and goats that remain under surveillance.  &lt;br&gt;&lt;br&gt;“USDA’s National Veterinary Services Laboratories (NVSL) has conducted genomic sequencing of virus from the poultry infected on this farm, and that sequencing has not identified any changes to the H5N1 virus that would suggest to USDA and CDC that it is more transmissible to humans, indicating that the current risk to the public remains low,” USDA wrote.&lt;br&gt;&lt;br&gt;H5N1 detections include viral genome sequencing to provide additional information of interest to medical professionals and the research community to improve understanding of the virus. Genetic sequencing for these samples is underway, but results may be inconclusive due to low viral levels in the samples, USDA said.   &lt;br&gt;&lt;br&gt;&lt;b&gt;Pork Producers Practice Biosecurity to Protect Pigs&lt;/b&gt;&lt;br&gt;
    
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        . &lt;br&gt;___________________________________________________________________________&lt;br&gt;
    
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        &lt;br&gt;___________________________________________________________________________&lt;br&gt;&lt;br&gt;The pork industry has worked alongside USDA’s Animal and Plant Health Inspection Service (APHIS) since 2009 to carry out the 
    
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         to identify influenza viruses circulating in swine, proactively detect reassortment viruses that could impact public health, and gain knowledge to contribute to improved animal health diagnostics and vaccines, NPPC pointed out in a statement.&lt;br&gt;&lt;br&gt;“Pork producers have always been proactive and diligent about implementing biosecurity plans as part of their daily production practices to assure animals wellbeing and food safety,” Lori Stevermer, NPPC president and Minnesota pork producer said. “This detection serves as a reminder for producers of all sizes to understand and address influenza virus risks.”&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;b&gt;What’s Next? &lt;/b&gt;&lt;br&gt;USDA recently approved two vaccine field safety trials for vaccine candidates designed to protect dairy cows from H5N1, and continues to explore vaccine options for other species.   As USDA takes additional steps to protect the health of livestock, it will continue to work closely with CDC to protect the health of people and FDA to protect the safety of the food supply. &lt;br&gt;&lt;br&gt;“These collective, collaborative efforts have helped protect farmworkers and farmers, the health and welfare of livestock animals, and reaffirmed the safety of the nation’s food supply. The U.S. government remains committed to addressing this situation with urgency,” USDA said.&lt;br&gt;&lt;br&gt;
    
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      <pubDate>Wed, 30 Oct 2024 23:27:10 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/education/usda-reports-first-h5n1-detection-swine</guid>
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      <title>Helping Dairy Cattle Navigate Pain</title>
      <link>https://www.dairyherd.com/news/education/helping-dairy-cattle-navigate-pain</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        Pain is a natural condition for all animals and humans. But when it comes to dairy cattle specifically, the intensity and duration of their pain can have significant influence on both their welfare and productivity.&lt;br&gt;&lt;br&gt;Katherine Creutzinger, researcher at the University of Wisconsin-River Falls, presented an in-depth exploration of the topic of dairy cattle pain at the 2024 Western Canadian Dairy Seminar. She noted that pain can negatively affect dairy calf and cow welfare within the Three Circles of Animal Welfare model:&lt;br&gt;&lt;ul&gt;&lt;li&gt;&lt;b&gt;Health, injury, and disease – &lt;/b&gt;Actual or potential tissue damage.&lt;/li&gt;&lt;li&gt;&lt;b&gt;Ability to perform natural behaviors –&lt;/b&gt; Eating, drinking, walking, standing, lying, ruminating.&lt;/li&gt;&lt;li&gt;&lt;b&gt;Mental and emotional states –&lt;/b&gt; Unpleasant sensory or emotional experience.&lt;/li&gt;&lt;/ul&gt;&lt;br&gt;One or more of these facets may be affected at the same time, depending on the source of the pain. Creutzinger also said pain is affected by both duration and intensity. “Negative effects of pain vary based on both factors, but pain has more negative impacts as one or both factors increases,” she explained.&lt;br&gt;&lt;br&gt;For example, “udder engorgement can be uncomfortable but is quickly relieved by milking,” she noted. “Whereas broken tails, which are a result of broken ligaments and joint dislocation, may take months to heal causing more severe pain to cows.”&lt;br&gt;&lt;br&gt;While some sources of pain – such as a foot injury or clinical mastitis – may be obvious, Creutzinger said other conditions, such as metritis, may produce less obvious pain. In either case, the affected animals need both therapeutic attention and pain management support.&lt;br&gt;&lt;br&gt;Productivity also suffers when cows are in pain. Reluctance to travel to the water trough can result in dehydration and reduced milk production. Avoidance of competition at the feed bunk can spiral into metabolic diseases and decreased rumination. Refraining from normal estrus expression can lead to missed heats and poorer reproductive efficiency.&lt;br&gt;&lt;br&gt;Creutzinger said the advent of wearable sensors that track factors like physical activity, rumination patterns, body temperature, and lying time has contributed positively to pain management because the subtle changes they detect can help identify pain sources earlier in their progression when they can be proactively addressed.&lt;br&gt;&lt;br&gt;One area of dairy management ripe for improvement is the pain animals potentially incur when they are removed from the herd. Creutzinger cited data indicating that dairy cows may remain in transit for up to 2 weeks between their dairy of origin and their final slaughter destination. Udder engorgement, emaciation, and lameness have been widely documented in these cows.&lt;br&gt;&lt;br&gt;The researcher suggested management changes to reduce these painful experiences. One example is to hold cows on the farm until they have recovered from lameness or mastitis, which also will help them add body condition and market value. Another is to gradually dry cows off via reduced milking frequency and a lower-energy diet to prevent udder engorgement upon shipping.&lt;br&gt;&lt;br&gt;Creutzinger said proactive management of pain in dairy animals will be important in earning the consuming public’s trust of dairy farming practices and products. “The public has an expectation for dairy cattle to have good welfare,” she declared. “Addressing pain is important to production, but it is also critical to animal welfare, which plays an important role in making sure the dairy industry is sustainable.”&lt;br&gt;&lt;br&gt;&lt;br&gt; &lt;br&gt;&lt;br&gt;
    
&lt;/div&gt;</description>
      <pubDate>Mon, 21 Oct 2024 20:43:11 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/education/helping-dairy-cattle-navigate-pain</guid>
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      <title>Evaluating the Economics of Adding Management Practices or Products to the Farm</title>
      <link>https://www.dairyherd.com/news/business/evaluating-economics-adding-management-practices-or-products-farm</link>
      <description>&lt;div class="RichTextArticleBody RichTextBody"&gt;
    
        Most of the management practices implemented on the farm are either to manage disease or increase milk production. The market is flooded with products that can help with both goals. Understanding the economics of management practice adoption can make it easier to make adoption decisions.&lt;br&gt;&lt;br&gt;&lt;b&gt;Determining Disease Costs&lt;/b&gt;&lt;br&gt;&lt;br&gt;Disease costs can be calculated using the simple equation: C = L + E or Costs = Losses + Expenses. Expenses are more straightforward to configure because they include the costs we typically associate with treating the disease, like drugs or added labor. However, preventative expenses are often overlooked. For example, using a pre or post-dip should be considered when evaluating mastitis expenses. Losses can be more challenging to estimate because the costs are not direct. Losses may come in the form of lost milk yield, decreased fertility, or lost milk premiums.&lt;br&gt;&lt;br&gt;If nothing is done to manage or prevent a disease, the total cost of the disease comes from losses alone. Once a management practice is added, the losses will decrease to a certain point, and expenses will increase. A technical optimum is reached when disease incidence drops to a point where the incidence rate can go no lower regardless of what management practice is added. In that case, expenses are the highest portion of the total disease cost. Often, the economic optimum, the point where we see no financial returns to lowering a disease incidence rate, comes well before the technical optimum.&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;b&gt;Marginal Level Milk&lt;/b&gt;&lt;br&gt;&lt;br&gt;The adoption of products or changing management practices to increase milk yield should be evaluated using marginal economics. This means the cost and benefit of increasing milk per pound. Like disease management, a point will come in which the benefit of increased milk yield will not cover the costs. All costs should be considered to make the marginal level milk yield as accurate as possible. For example, feed costs typically increase as milk yield increases, so when determining the potential benefit of adding a product to the farm, feed costs and the costs of the product need to be considered.&lt;br&gt;&lt;br&gt;Before adopting a product or changing a management practice, try to consider the whole picture. Determine which direct and indirect benefits or drawbacks might occur from management adoption. Overestimating costs of management practices can help ensure that hidden costs may be accounted for.&lt;br&gt;&lt;br&gt;&lt;b&gt;Your Next Read: &lt;/b&gt;
    
        &lt;span class="LinkEnhancement"&gt;&lt;a class="Link" href="https://www.dairyherd.com/news/dairy-production/beef-breeding-derailing-us-dairy-industry" target="_blank" rel="noopener"&gt;&lt;b&gt;Is Beef Breeding Derailing the U.S. Dairy Industry?&lt;/b&gt;&lt;/a&gt;&lt;/span&gt;
    
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&lt;/div&gt;</description>
      <pubDate>Mon, 23 Sep 2024 20:11:19 GMT</pubDate>
      <guid>https://www.dairyherd.com/news/business/evaluating-economics-adding-management-practices-or-products-farm</guid>
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