Genetic parameters and trends for lamb survival and birth weight in a Merino flock divergently selected for multiple rearing ability.

doi:10.2527/jas.2008-1065

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Article

Genetic parameters and trends for lamb survival and birth weight in a Merino flock divergently selected for multiple rearing ability.

Journal of animal science - 1 Jul 2009

Cloete S W P, Misztal I, Olivier J J

Abstract excerpt

Data of 5,390 Merino lambs born from 1986 to 2007 (approximately 6.9 generations) were used to derive genetic parameters and trends for age-specific and overall lamb survival on the underlying scale, as well as for lamb birth weight, using Gibbs sampling. The majority of lambs were descended from lines that were divergently selected for the ability of ewes to rear multiples. The line selected in the upward...

Topics

Animals
Animals, Newborn
Birth Weight
Breeding
Female
Genetic Variation
Longevity
Reproduction
Selection, Genetic
Sheep

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Open in PubMed

Identifiers

PMID: 19286812
DOI: 10.2527/jas.2008-1065

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