Variance component and breeding value estimation for genetic heterogeneity of residual variance in Swedish Holstein dairy cattle.

Abstract excerpt

Trait uniformity, or micro-environmental sensitivity, may be studied through individual differences in residual variance. These differences appear to be heritable, and the need exists, therefore, to fit models to predict breeding values explaining differences in residual variance. The aim of this paper is to estimate breeding values for micro-environmental sensitivity (vEBV) in milk yield and somatic cell score,...

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