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Breed differences and genetic parameters for fat traits of crossbred cattle


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Pitchford, WS and Deland, MPB and Siebert, BD and Malau-Aduli, AEO and Bottema, CDK (2001) Breed differences and genetic parameters for fat traits of crossbred cattle. In: Association for the Advancement of Animal Breeding & Genetics Conference, 30 July 2001, Queenstown, New Zealand.

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Sires representing seven diverse breeds were mated to Hereford cows over four years and the progeny slaughtered. Highly marbled Jersey and Wagyu crossbred cattle had softer fat (6% lower melting point) than the other breeds. The Angus crosses marbled like Jersey and Wagyu, but had harder fat similar to the very lean Belgian Blue. Hereford, South Devon and Limousin crosses had harder fat than Angus crosses. The South Devon had similar marbling to the Hereford (moderate), but with much less P8 fat (similar to Limousin). Heritabilities were low (e.g. marbling 18%) to moderate (e.g. carcass weight 36%) for the various carcass traits measured.

Item Type: Conference or Workshop Item (Paper)
Keywords: Beef, crossbreeding, fat content, fat composition.
Page Range: -480
ISSN: 1328-3227
Additional Information:

In: Neville Jopson (Editor). Biotechnology. Proceedings Association for the Advancement of Animal Breeding & Genetics, Queenstown, New Zealand, vol. 14, 477-480.

Date Deposited: 01 Feb 2008 01:25
Last Modified: 18 Nov 2014 03:27
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