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Peruse practical information for the dairy producer on essential topics including management, A.I. and breeding, new technology, and feed and nutrition.

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The gap between the Holstein breed’s number one net merit bull and other sires remains wide. As of February’s net merit sire evaluations, more than 90 points separated O-Bee Manfred Justice’s daughters from the offspring of other bulls in the breed. Since 2003, the bull has remained the highest net merit bull. He is also currently the second-highest TPI bull in the breed.

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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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Editor’s Note: The following is the second article of a two-part series including excerpts from the bulletin “Dairy Excel’s 15 Measures of Dairy Farm Competitiveness” found at http://ohioline.osu.edu/b864/index.html

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Originally conceived as a cement pump, the hose pump is fast becoming the technology of choice for transferring abrasive dairy waste like sand-laden manure.

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