Article
Associations among descriptors of herd management and phenotypic and genetic levels of health and fertility.
Journal of dairy science - 1 Jun 2005
Calus M P L, Windig J J, Veerkamp R F
Abstract excerpt
The objective of this paper was to investigate the association of descriptors of herd environment with phenotypic levels and breeding values of fertility and health traits. Analyses were performed for 82,080 first-lactation heifers and 173,787 multiparous cows. Fourteen environmental parameters were defined that described herd environment, such as average protein production, average somatic cell score (SCS),...
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