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Genetics of fat colour in cattle

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Kruk, ZA and Malau-Aduli, AEO and Pitchford, WS and Bottema, CDK (1998) Genetics of fat colour in cattle. In: 6th World Congress on Genetics Applied to Livestock Production, 11 January 1998, Armidale.

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Abstract

Fat colour score (FCS), beta-carotene concentration and their relationship were examined in carcasses of Jersey, Limousin, and Fl heifers and in biopsy samples of Jersey, 3/4 Jersey, and 3/4 Limousin weaners. Results demonstrate significant differences between all breeds in beta-carotene concentration and FCS. High correlations between FCS and beta-carotene concentration were also demonstrated. Sex differences in FCS and beta-carotene concentration were not significant. The shape of the distributions of beta-carotene content in fat varied between the breeds. High outliers were observed for the pure Jersey, 3/4 Jersey, and Fl and not observed in Limousin and 3/4 Limousin. Based on this preliminary data, we confirmed that beta-carotene concentration in fat of cattle has a genetic basis and hypothesise that a major gene(s) may be involved.

Item Type: Conference or Workshop Item (Paper)
Keywords: Fat colour, cattle, gene, &carotene
Journal or Publication Title: Proceedings 6th World Congress on Genetics Applied to Livestock Production, The University of New England, Armidale, Australia.
Page Range: 121 -124
ISSN: 1328-3227
Additional Information: In Proceedings 6th World Congress on Genetics Applied to Livestock Production, The University of New England, Armidale, Australia, vol. 25, 121-124.
Date Deposited: 01 Feb 2008 01:14
Last Modified: 18 Nov 2014 03:27
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