Webinar to focus on reproduction and heat stress

Reproductive failure is the number one reason dairy cows involuntarily leave the farm. Heat stress exemplifies this costly issue. Learn more during an upcoming eXtension.org webinar. FULL STORY »

Publication explains estrous cycle

The 21-day estrous cycle relies on a handful of key reproductive hormones for successful completion. Use this publication from the Dairy Cattle Reproduction Council to help you train employees. FULL STORY »

Genetic parameters: assessing several traits

A study completed by the University of Czech Republic estimated the genetic parameters for fertility traits and linear type traits in Holstein cows. FULL STORY »

Penn State dairy reproduction drill down tool now available online

The Penn State Reproduction Drill-Down Tool provides a systematic approach to critically analyze the major factors affecting heat detection rate and conception rate so that problem areas can be highlighted and discussed. FULL STORY »

Diagnosing the silent repro threat: Subclinical metritis

The economic impact of one form of metritis versus others is hard to decipher since we are all still trying to come to a consensus about defining each condition the same way. FULL STORY »

Does early palpation result in pregnancy loss in dairy cows?

Looking at almost 1,000 dairy cows in one study, researchers tried to determine the effect of palpation per rectum by use of 1 or 2 fetal membrane slips for pregnancy diagnosis during early gestation on pregnancy loss in dairy cattle. FULL STORY »

Using animal activity to detect disease

Metabolic diseases in the transition period continue to cause substantial economic losses to dairy producers. With the advancement in activity monitors for dairy cows, researchers have begun to examine ways to utilize animal behavior data to detect disease prior to the onset of clinical signs. FULL STORY »

Back to basics: Explaining the estrous cycle

A working knowledge of the dairy cow’s estrous cycle and its associated hormones can help you improve your herd’s conception rates and boost reproductive efficiency. FULL STORY »

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 »

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