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A.I. & Breeding

From estrus and heat detection to genomics and sexed semen, discover the latest information to improve reproductive performance.

LATEST

Pick up the latest sire directory from any of the major bull studs, and you’ll see that the “bull book” contains more information than ever. More indexes, more traits, more numbers; it’s quite a job to sift through it.

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Pawnee Farm Arlinda Chief, or Chief for short, is responsible for 14 percent of the current Holstein genome in the U.S.

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With more herds achieving outstanding milk yields, more questions are raised about how these high yields impact reproductive performance. If your herd is achieving a high milk yield average per cow, do you need to change the way you manage your cows reproductively?

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The onset of estrus in dairy cattle is accompanied by changes in physiological activity, rumination and feeding behavior. These alterations can be monitored via direct observation or through the use of automatic sensors to identify deviations associated with estrus, subclinical illness or lameness.

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Nearly 300 dairy cattle reproduction enthusiasts gathered Nov. 10-11, 2016, in Columbus, Ohio, for the 11th Dairy Cattle Reproduction Council (DCRC) annual meeting.

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Over the past five years, genomics has received a lot of publicity as a tool to help manage your herd’s genetics. Whether it is determining an overall breeding strategy for your herd or trying to find that high-end outlier that brings tens of thousands of dollars at a cattle sale, there is no doubt genomics has revolutionized the way producers look at dairy genetics.

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