Adjustment for heterogeneous variance in genetic evaluations for conformation of United States Holsteins.

doi:10.3168/jds.S0022-0302(94)77111-3

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Article

Adjustment for heterogeneous variance in genetic evaluations for conformation of United States Holsteins.

Journal of dairy science - 1 Jun 1994

Weigel K A, Lawlor T J

Abstract excerpt

A method was developed to account for heterogeneous phenotypic variance for final type (conformation) score within herd-year-month-classifier subclasses for national genetic evaluations of US Holsteins. Phenotypic variances decreased 3.5-fold as within-subclass means increased from 70 to 89 point...

Topics

Aging
Animals
Cattle
Female
Genetic Variation
Phenotype
United States

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