Article
Selection response for growth in a Spanish Merino flock.
Journal of animal science - 1 Jun 1994
Jurado J J, Alonso A, Alenda R
Abstract excerpt
Weight and growth data on 5,136 lambs, from 104 sires and 1,552 dams were collected during 5 yr (13 lambing seasons) of selection for high weaning weight in a single flock under range conditions. Ewes were culled based on fertility and replaced by ewe lambs selected for high weaning weight. Heritabilities of birth weight, weaning weight (30 d), preweaning daily gain, postweaning daily gain, and weight at 90 d,...
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