Heterogeneity of variance components for preweaning growth in Romane sheep due to the number of lambs reared


The pre-weaning growth rate of lambs, an important component of meat market production, is affected by maternal and direct genetic effects. The French genetic evaluation model takes into account the number of lambs suckled by applying a multiplicative factor (1 for a lamb reared as a single, 0.7 for twin-reared lambs) to the maternal genetic effect, in… (More)
DOI: 10.1186/1297-9686-43-32


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