Article
Genetic parameters of lactation cell counts and milk and protein yields in dairy ewes.
Journal of dairy science - 1 Mar 1999
el-Saied U M, Carriedo J A, de la Fuente L F, San Primitivo F
Abstract excerpt
A total of 3231 lactation records of somatic cell counts (SCC), milk yield, and protein percentage for 2379 Spanish Churra ewes from 10 flocks were used to estimate genetic and environmental parameters. Genetic parameters were estimated by REML with a multitrait repeatability animal model. A lactation measure of SCC was obtained as the mean of test day log SCC adjusted for stage of lactation. Heritabilities for...
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