DCRC annual meeting to feature roundtable on activity monitoring technology

The 2011 DCRC Annual Meeting will include a unique technology session highlighting the industry’s advancements in activity monitoring systems and their benefit to dairy cattle reproduction. FULL STORY »

U.S. restaurant index falls to 11-month low amid souring economic outlook

An index tracking U.S. restaurant operators’ sales and expectations fell to an 11-month low in July, as the nation’s debt woes contributed to a souring outlook on the economy, the industry’s primary trade association said. FULL STORY »

Ovarian size matters

High variation in dairy cow ovary size and the number of follicles and high quality oocytes in ovaries (referred to as ovarian reserve) impacts ovarian function and fertility. Based on once or twice a day ovarian ultrasonography of cattle, the peak number of follicles growing during different follicular waves of the estrous cycle (referred to as antral follicle count, or AFC) varied seven-fold among animals but was very repeatable within animal regardless of age. FULL STORY »

Using kamars to accurately detect estrus

Kamars can be an excellent tool to help detect estrus in cows and heifers if you know how to properly place them on the animal and accurately read the results. FULL STORY »

Economics of the 3K SNP genomic test for calves

The University of Florida takes a look at some ideas and the economic value on the use of the 3K SNP genomic test for calves on dairy farms. FULL STORY »

Study examines effect of crude protein levels on follicles

Nutrition plays a role in the reproductive performance of heifers. In a Journal of Dairy Science article published earlier this year, Israeli researchers reported the effect of high dietary crude protein on characteristics of preovulatory follicles in Holstein heifers. FULL STORY »

Prevent a heifer fertility meltdown

Triple-digit temperatures scorched a large portion of the country this summer. Heat stress conditions cause immediate discomfort. However, they also cause long-term consequences on dairy cattle reproductive efficiency. These include a decrease in the length and intensity of estrus, reduced conception rates, decreased embryo survival, reduced pregnancy rates and smaller calf size. FULL STORY »

Sheath protectors improve fertility, reduce contamination

New research from The Ohio State University shows just how important a double plastic sheath can be during artificial insemination (A.I.). FULL STORY »

An economic comparison of reproductive programs

Suboptimal reproductive performance leads to extended days open, increased culling due to reproductive failure, and decreased milk yield. Many factors influence the reproductive and productive performance of dairy herds, consequently, profitability. Choosing the most effective reproductive protocol for a given herd is a critical managerial decision. FULL STORY »

Managing for reproductive success of dairy cattle during the heat

Cow-cooling is key to managing reproductive challenges due to heat stress. FULL STORY »

Reproductive protocol proves effective in increasing heifer conception rates

To examine the effectiveness of synchronization protocols in heifers, research at the University of Florida compared the effectiveness of different timed-A.I. protocols in Holstein heifers. FULL STORY »

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