Article
Multiple-trait prediction of lactation yields for dairy cows.
Journal of dairy science - 1 Nov 1996
Schaeffer L R, Jamrozik J
Abstract excerpt
A multiple-trait procedure is described for predicting 305-d lactation yields for milk, fat, and protein that incorporates information about standard lactation curves and covariances between yields for milk, fat, and protein. Test day yields are weighted by their relative variances, and standard lactation curves of cows from similar breed, region, lactation number, age, and season of calving are used for the...
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