Article
Optimum postweaning test for measurement of growth rate, feed intake, and feed efficiency in British breed cattle.
Journal of animal science - 1 Aug 1997
Archer J A, Arthur P F, Herd R M, Parnell P F, Pitchford W S
Abstract excerpt
The optimum duration of test for measurement of growth rate, feed intake, feed conversion, and residual feed intake was examined using postweaning feed intake and weight data from 760 Angus, Hereford, Polled Hereford, and Shorthorn heifer and Angus bull progeny from 78 sires. Variance components, heritability, phenotypic and genetic correlations, and the efficiency of selection using shortened tests compared with...
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