Article
An animal breeding approach to the estimation of genetic and environmental trends from field populations.
Journal of animal science - 1 Apr 2010
Garrick D J
Abstract excerpt
Observed or phenotypic trends in animal performance can be readily quantified from information collected from research or field populations. Phenotypic performance is determined by the collective impact of systematic effects that vary by trait, but may include herd, year, sex, and age; additive genetic effects; and a remainder that is referred to as the lack-of-fit or unexplained residual. It is of interest to...
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