Multiple-country comparison of dairy sires.

doi:10.3168/jds.S0022-0302(94)77209-X

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Article

Multiple-country comparison of dairy sires.

Journal of dairy science - 1 Sept 1994

Schaeffer L R

Abstract excerpt

A multiple-trait sire model was described in which yields of daughters in different countries were considered to be different traits. Such a model required estimates of genetic correlations among sire genetic effects in different countries. Observations were average daughter yield deviations, whi...

Topics

Animals
Breeding
Cattle
Female
Genetic Variation
Male
Mathematics
Models, Biological
Pedigree
Regression Analysis

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