Influence of partitioning data by sex on genetic variance and covariance components for weaning weight in beef cattle.

doi:10.2527/1997.75161x

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Article

Influence of partitioning data by sex on genetic variance and covariance components for weaning weight in beef cattle.

Journal of animal science - 1 Jan 1997

Lee C, Pollak E J

Abstract excerpt

Heterogeneity of (co)variance components (VC) by sex is currently accounted for in national genetic evaluations for Simmental cattle. Parameters used in the national evaluation program are estimated from data split into male, female, and steer populations. Analyzing only male data does not accoun...

Topics

Aging
Animals
Body Weight
Cattle
Female
Genetic Variation
Linear Models
Male
Models, Genetic
Selection, Genetic
Sex Characteristics
Weaning

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