Article
Genetic evaluation of somatic cell score in dairy cattle considering first and later lactations as two different but correlated traits.
Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie - 1 Aug 2006
Negussie E, Koivula M, Mäntysaari E A, Lidauer M
Abstract excerpt
A test-day (TD) random regression model (RRM) was described for the genetic evaluation of somatic cell score (SCS) where first and later lactations were considered as two different but correlated traits. A two-step covariance function procedure was used to estimate variance-covariances and associated genetic parameters. Analysis of estimated breeding values (EBV), ranking of top bulls and cows and some...
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