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Breed and sire effects on fatty acid composition of beef fat


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Siebert, BD, Pitchford, WS, Malau-Aduli, AEO, Deland, MPB and Bottema, CDK 1999 , 'Breed and sire effects on fatty acid composition of beef fat', paper presented at the Association for the Advancement of Animal Breeding and Genetics Conference, July 1999, Mandurah, Western Australia.

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The fat content of muscle and the fatty acid profile and melting point of subcutaneous fat was examined in the progeny of three years of crossbreeding Angus, Belgian Blue, Hereford, Jersey, Limousin, South Devon and Wagyu sires with Hereford cows. Significant cohort and sire breed
effects were recorded for most traits. Heritability was moderate in most cases. As expected, significant breed differences were noted in the fat content of muscle, but also apparent was the difference in the degree of unsaturation in Jersey and Wagyu progeny. Angus, Hereford, Belgian Blue, South Devon and Limousin animals varied in some fatty acid measures. Jersey and Wagyu had fat with lower melting point (a function of fatty acid composition) and South Devon and Limousin had higher melting point than the remaining breeds.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:Siebert, BD and Pitchford, WS and Malau-Aduli, AEO and Deland, MPB and Bottema, CDK
Keywords: Fat, fatty acids, unsaturation, melting point
Journal or Publication Title: xx
ISSN: 1328-3227
Additional Information:

In: P. Vercoe, N. Adams and D. Masters (Editors). Rising to the Challenge - Breeding for the 21st Century Customer. Proceedings Association for the Advancement of Animal Breeding and Genetics, Mandurah, Western Australia, vol. 13, 389-392.

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