Article
Genetic evaluation for herd life in Canada.
Journal of dairy science - 1 Feb 1998
Jairath L, Dekkers J C, Schaeffer L R, Liu Z, Burnside E B, Kolstad B
Abstract excerpt
Methods were developed for the national genetic evaluation of herd life for Canadian Holstein sires. The genetic evaluations incorporate information from survival (direct herd life) and information from conformation traits that are related to herd life (indirect herd life) after adjustment for production in first lactation to remove the effect of culling for production. Direct genetic evaluations for herd life...
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