Article
Short communication: genetic and environmental relationships between milk yield and kidding interval in dairy goats.
Journal of dairy science - 1 Jan 2010
Montaldo H H, Valencia-Posadas M, Wiggans G R, Shepard L, Torres-Vázquez J A
Abstract excerpt
First-parity 305-d milk yield and intervals between first and second kiddings from 1975 through 2005 were analyzed to estimate genetic and environmental parameters for United States Alpine, LaMancha, Nubian, Saanen, and Toggenburg dairy goats. The data set included 43,612 does with first-parity milk yield and 25,863 does with first kidding interval. Parameters were estimated by REML using bivariate mixed models...
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