Article
Short communication: estimation of genetic parameters for residual feed intake and feeding behavior traits in dairy heifers.
Journal of dairy science - 1 Apr 2013
Lin Z, Macleod I, Pryce J E
Abstract excerpt
Data from a 2-yr feeding trial of Holstein-Friesian heifers (n=842) were used to examine the heritability of feeding behavior traits and their relationships with residual feed intake (RFI), a measure of feed efficiency. Five traits were assessed: number of meals, feeding duration, dry matter intake (DMI), eating rate, and average meal size. For estimating genetic parameters, all traits were simultaneously fitted...
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