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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

The daily challenge of getting cows pregnant is nothing new to any dairy producer. What is new is the variety of approaches researchers are taking to understand the mechanisms underlying this problem and propose effective solutions to it. Our applied reproductive research program in the Department of Animal Science at Michigan State University is focused on controlling ovarian physiology to optimize fertility of lactating dairy cows. Our goal is to develop and utilize new information to improve the fertility potential of Ovsynch.

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Accelerated Genetics adds balance and power to Holstein lineup
Accelerated Genetics lineup continues to impress Holstein breeders worldwide and now has added new sires after the February 2007 dairy sire proofs. New PACE graduates 014HO03964 BOB, 014HO04244 GLASCOW, 014HO04229 WES, 014HO04250 BIZ, and 014HO4213 GEORGE along with Winner’s Circle graduate 202HO00231 VELVET add to the strength of the lineup.

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Historically, to a lot of dairymen, calving ease has been a bit of a secondary trait. In many cases semen buying decisions were more centered on how much production or how much type a sire had. Calving ease was thrown into the mix almost as an afterthought, or as something to use on the heifers.

However, the most stressful part of a cow’s life cycle is the calving process and its postpartum aftermath. The quality of life of a dairyman might increase dramatically if we could eliminate difficult calvings, retained placentas, ketosis, milk fever, displaced abomasums, etc. There would probably be a little less concern over the diminishing availability of large animal veterinarians if these ailments could be eliminated.

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It is well known that daughters from artificial insemination (A.I.) sires produce more milk than those bred by natural service. Incorrect A.I. techniques can lower the overall success rate of your breeding program. At one time, most producers have learned correct techniques in semen handling and insemination procedures, but unfortunately, many have developed some bad habits. Reviewing proper procedures should help eliminate many of these mistakes.

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The new discovery of a lethal gene may explain why pregnancy rates in dairy cattle have dropped sharply in recent years, a University of Wisconsin – Madison researcher says.

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PACE success reaches new levels with November sire summary
Accelerated Genetics continues to maintain an active lineup full of leading genetic sires in all breeds that graduate from the PACE young sire program. Topping Accelerated Genetics lineup for both Net Merit and TPI™ is PACE graduate 014HO04099 Billion. Eighteen daughters were added to his type proof, bringing this high-ranking sire to the elite +2.00 PTAT level. Billion also increased significantly on his Udder Composite (UDC) at +1.63, and his Foot and Leg Composite (FLC) at +2.44.

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