Dry matter intake and feed efficiency profiles of 3 genotypes of Holstein-Friesian within pasture-based systems of milk production.

doi:10.3168/jds.2009-2686

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Article

Dry matter intake and feed efficiency profiles of 3 genotypes of Holstein-Friesian within pasture-based systems of milk production.

Journal of dairy science - 1 Sept 2010

Coleman J, Berry D P, Pierce K M, Brennan A, Horan B

Abstract excerpt

The primary objective of the study was to quantify the effect of genetic improvement using the Irish total merit index (Economic Breeding Index) on dry matter intake and feed efficiency across lactation and to quantify the variation in performance among alternative definitions of feed efficiency. Three genotypes of Holstein-Friesian dairy cattle were established from within the Moorepark dairy research herd: 1)...

Topics

Animals
Cattle
Dairying
Diet
Eating
Female
Genotype
Lactation
Milk
Quantitative Trait, Heritable

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Open in PubMed

Identifiers

PMID: 20723705
DOI: 10.3168/jds.2009-2686

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