Selection of Holstein Bulls for Future Use in Artificial Insemination
نویسندگان
چکیده
منابع مشابه
Stability of genetic evaluations for active artificial insemination bulls.
Genetic evaluations for milk, fat, and protein from 1995 through August 2003 for 17,987 Holstein bulls in active artificial insemination (AI) service were examined for changes to the November 2003 evaluation. Evaluations for active AI bulls at each of 31 evaluation dates showed mean declines to November 2003. No evidence was seen of a worsening situation over time. Bulls' early evaluations with...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1972
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(72)85730-8