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Article

Genetic and environmental effects on carcass characteristics of Southdown x Romney lambs: II. Genetic and phenotypic variation.

Journal of animal science - 1 May 1991

Bennett G L, Johnson D L, Kirton A H, Carter A H

Abstract excerpt

Approximately 4,400 crossbred lambs from Southdown sires and Romney ewes were slaughtered at approximately 18, 23, and 28 wk of age over a 16-yr period. Live weights, carcass measurements, and chemical percentages were analyzed to estimate genetic and phenotypic parameters. Heritabilities of postweaning weights and gains were about .20. Heritabilities of fat and water percentages were about .35 adjusted for age....

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PMID: 2066297
DOI: 10.2527/1991.6951864x

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