Content tagged "dairy cattle:reproduction"

Strategies for Optimizing Reproductive Management of Dairy Heifers

Dairy Updated: August 17, 2010

Please check this link first if you are interested in organic or specialty dairy production The overall goal of a replacement heifer program is to rear...

Pregnant vs. Open: Getting Cows Pregnant and the Money it Makes

Dairy Updated: August 17, 2010

1University of Wisconsin-Madison, Department of Dairy Science, Madison, WI2University of Minnesota, College of Veterinary Medicine, St. Paul, MN3Valley...

Methods for Diagnosis and Monitoring of Pregnancy in Dairy Cattle and their Implementation

Dairy Updated: August 17, 2010

Early identification of nonpregnant dairy cows and heifers post breeding can improve reproductive efficiency and pregnancy rate by decreasing the interval...

Management and Treatment of Dairy Cows that are Not Cycling or have Follicular Cysts

Dairy Updated: August 17, 2010

Negative effects of anovulation on reproductive performance of cattle have been reported during all of the last century. Detailed descriptions of cystic cows...

Dairy Herd Synchronization Programs

Dairy Updated: August 17, 2010

Research has shown that pregnant cows survive 420 days longer than herdmates that were open. A cow must be pregnant by 85 days postpartum in order to achieve...

Reproductive Status of U.S. Holsteins and Jerseys

Dairy Updated: July 06, 2010

National statistics on nearly 20 million AI breedings of Holsteins and Jerseys reveal some very interesting differences in reproduction between the breeds...

Improving Fertility in the Repeat Breeder

Dairy Updated: July 06, 2010

The cost of low fertility to the cattle industry was estimated to be around $600 million in 1979 (Gerrits et al., 1979). This is probably an underestimate...

Recent Studies on Nutritional Factors Affecting Reproductive Efficiency in U.S. Dairy Herds

Dairy Updated: March 12, 2010

Reproductive efficiency is declining on U.S. dairy herds. There are numerous factors that affect reproductive efficiency on individual farms. These include...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.