Article
The influence of genetic selection and feed system on the reproductive performance of spring-calving dairy cows within future pasture-based production systems.
Journal of dairy science - 1 Oct 2009
Coleman J, Pierce K M, Berry D P, Brennan A, Horan B
Abstract excerpt
Three genetic groups of Holstein-Friesian dairy cows were established from within the Moorepark (Teagasc, Ireland) dairy research herd: LowNA, indicative of the Irish national average-genetic-merit North American Holstein-Friesian; HighNA, high-genetic-merit North American Holstein-Friesian; High...
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