Article
Variances of and correlations among progeny tests for reproductive traits of cows sired by AI bulls.
Journal of dairy science - 1 Jul 2004
Clay J S, McDaniel B T, Brown C H
Abstract excerpt
Estimates of daughter fertility were computed using first artificial insemination (AI) breedings reported to the US Dairy Herd Improvement Association (DHIA) from 1995 through 1997. An animal model was used to compute estimated breeding values (EBV) of daughter groups with fixed effects of herd-year-month bred and classes of early lactation energy-corrected milk, days in milk (DIM) when bred, and parity. Standard...
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