Browsing Dairy Day, 1989 by Subject "Genetics"

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Browsing Dairy Day, 1989 by Subject "Genetics"

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  • Changes in genetic evaluation of dairy cattle: the animal model
    Heikes, K. (Kansas Agricultural Experiment Station, 1989)
    The July 1989 USDA Sire Summary introduced a new system for genetic evaluations in dairy cattle. These evaluations, known as the Animal Model (AM), include several new features that help to increase the accuracy of ...
  • Evaluating DHI records with the dairy herd analyzer
    Dunham, J.R. (Kansas Agricultural Experiment Station, 1989)
    A computer program was developed for analyzing DHI records to evaluate potential losses from 1) reproduction, 2) nutrition, 3) milk quality, and 4) genetics. Production-tested Kansas Holstein herds were grouped according ...