Reproductive Management

Five easy steps to better heifer reproduction

Producers who think their heifer reproduction programs are on track may want to look again. Conception rate and percentage of heifers pregnant within three services are metrics commonly used to track performance of heifer reproduction. Unfortunately, time is the missing component from both of these heifer reproductive measurements. FULL STORY »

Calving difficulties have long-term impact on cow and calf

Researchers in the UK recently studied the effects of calving ease on the fertility and production of 50,000 first lactation Holsteins and their 10,000 Holstein heifer calf offspring. Here is a look at what they found. FULL STORY »

Dietary changes can improve reproduction

Research has long proven the relationship between ration and reproduction; new findings report specific feeding practices that can improve embryo survival. FULL STORY »

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 »

Linking conception rate and level of somatic cell count

The Hebrew University in Israel evaluated the effects of mastitis, determined by the pattern and level of somatic cell count (SCC) around the first artificial insemination (A.I.) on conception rate (CR). FULL STORY »

The effectiveness of synch protocols in grazing operations

New research evaluated presynchronization and resynchronization protocols on grazing dairy cows at first and second service. The study compared the two reproductive methods and their effect on pregnancy rate through a 100-day breeding season. FULL STORY »

DCRC honors dairies for reproductive success

For the third year, the Dairy Cattle Reproduction Council recognized dairy farmers for their ability to achieve impressive reproductive success in their herds. The DCRC Reproduction Award winners were honored yesterday at the organization’s annual meeting in Kansas City, Mo. 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 »

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 »

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