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Genotype and site differences in the fatty acid composition of muscle phospholipids in cattle

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Malau-Aduli, AEO and Siebert, BD and Bottema, CDK and Pitchford, WS (1997) Genotype and site differences in the fatty acid composition of muscle phospholipids in cattle. In: Association for the Advancement of Animal Breeding & Genetics, April 1997, Dubbo, New South Wales.

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Abstract

Phospholipid data from the Longissimus dorsi (eye muscle) and M. brachii (shoulder muscle) of Jersey and Limousin cattle were used to study the effects of genotype, anatomical site and their interactions on fatty acid composition. Results indicated that phospholipids of the two muscles did not differ in total saturated, monounsaturated and polyunsaturated fatty acids. However, they differed in specific fatty acids 18:0 and 22:5. Genotype was a significant source of variation for the individual fatty acids 18:2 and 18-di-methyl-aldehyde (18-DMA). Significant genotype by anatomical site interactions were observed in the levels of 18-DMA, 18:0, 18:2 and 20:5 fatty acids. It was concluded that the fatty acid composition of phospholipids from biopsy samples of the L. dorsi and M. brachii muscles were similar, but there were significant differences in some individual fatty acids. Furthermore, attention should be paid to genotype by anatomical site interactions that can exist in some individual fatty acids.

Item Type: Conference or Workshop Item (Paper)
Keywords: Fatty acids, phospholipids, muscle, Limousin, Jersey.
ISSN: 1328-3227
Additional Information: In: P. Author, N. Fogarty, A. Gilmour and S. Mortimer (Editors). Breeding: Responding to client needs. Proceedings Association for the Advancement of Animal Breeding & Genetics, Dubbo, New South Wales, Australia, vol. 12, 580-584.
Date Deposited: 01 Feb 2008 00:45
Last Modified: 18 Nov 2014 03:27
URI: http://eprints.utas.edu.au/id/eprint/2994
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