How one bull introduced a lethal gene into the Holstein breed

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How one bull introduced a lethal gene into the Holstein breed

Category : Dairy

One of the most prolific bulls in the history of the Holstein breed also happened to carry a gene that has ultimately been responsible for an estimated half million spontaneous calf abortions worldwide. Researchers at University of California-Davis have now identified the responsible mutation, allowing farms to test for an avoid it. Pawnee Farm Arlinda Chief’s chromosomes account for almost 14 per cent of the genome in the current U.S. Holstein population.

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