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Article

Genetic and nongenetic factors influencing ewe prolificacy and lamb body weight in a closed Romanov flock.

Journal of animal science - 1 Sept 2020

Murphy Thomas W, Keele John W, Freking Brad A

Abstract excerpt

The U.S. Meat Animal Research Center was the first entity in the United States to import the Romanov breed and it has been maintained as a closed flock for over 30 yr. Incorporating this super-prolific breed into crossbred and composite populations has resulted in large improvements in ewe productivity. However, few have quantified factors contributing to genetic and nongenetic variation in ewe reproduction and...

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Identifiers

PMID: 32860702
DOI: 10.1093/jas/skaa283
PMCID: PMC7511059

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Source receipt: pubmed, retrieved 7 Sept 2026.

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