Research Nuggets
The association of serum metabolites in the transition period
The objective was to examine the associations of peripartum concentrations of nonesterified fatty acids (NEFA), ß-hydroxybutyrate (BHBA) and calcium with milk production in early lactation and pregnancy at the first artificial insemination (AI) across different management systems.
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Does dry-period nutrition affect colostrum quality?
To find out, University of Illinois researcher Jim Drackley set out to answer the following questions.
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Value of propionic acid preservatives questioned
When it comes to putting up alfalfa hay, you want to capture plants at peak nutritional value. However, weather can be a problem.
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Effects of a propionic acid-based preservative for alfalfa hays
During 2009 and 2010, alfalfa (Medicago sativa L.) hays from two cuttings harvested from the same field site were used to evaluate the effects of a propionic acid-based preservative on the storage characteristics and nutritive value of hays stored as large round bales.
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Is d-methionine bioavailable to the dairy cow?
Rumen-protected forms of Met contain an equimolar mixture of the d- and l-isomers.
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Good news on the bypass methionine front
Bypass methionine supplements are about a 50:50 mixture of D-methionine and L-methionine.
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Looking behind, looking ahead
Research focusing on the feeding and performance of calves and heifers over the past two decades has impacted the way replacements are raised in the United States.
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Avoiding lameness: Another reason to watch body condition scores
Researchers at Cornell University have found an association between body condition score and lameness, which means it is more important than ever to advise your clients on proper body condition — especially in early lactation.
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Phosphorus supplementation may not be necessary for heifers
The phosphorus requirement of a dairy heifer is 0.20 to 0.35 percent of dry matter intake, depending upon bodyweight.
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Monensin helps with heat stress
Over the years, Lance Baumgard has documented the physiological effects of heat stress on a cow.
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Give cows plenty of time to eat
Dairy cows are often overstocked. Some farm managers are now also using ‘slick bunk’ management (feeding to zero refusals) to save on feed costs, but this practice can reduce the time that cows have access to feed.
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- Vilsack: Taking time to remember the fallen
- Ag markets diverge just before the long holiday weekend
- Study suggests dairy herd water quality linked to milk production
- Wis. lawmakers question challenges to large wells
- Traders evening up positions ahead of the weekend Friday
- Bio-Vet and Keller break ground on new facility
- Seven jobs more dangerous than farming
- White House urges Senate to cut crop insurance in farm bill
- Class III futures close out quietly last week
- 4 rules for growing a business or industry
- Drop in U.S. underground water levels has accelerated
- Ongoing wave of Calif. metal theft prompts further legislation
