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Selection for leanness decreases meat aerobicity

Kelman, K.R., Pannier, L., Pethick, D.W. and Gardner, G.E. (2012) Selection for leanness decreases meat aerobicity. In: Proceeding of the LambEx 2012 Conference, 28 - 29 June, Bendigo, Vic, Australia p. 38.

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The Australian lamb industry uses Australian Sheep Breeding Values for reduced postweaning subcutaneous fat depth (PFAT) to select for leanness and increased lean meat yield. Selection for reduced PFAT results in increased loin muscle weight (Gardner et al 2010) potentially leading to lower oxidative capacity in muscle (Greenwood et al 2006). Isocitrate dehydrogenase activity (ICDH) is an accepted indicator of aerobic metabolism, and therefore we hypothesise that selection for reduced PFAT results in a decrease in ICDH levels.

Publication Type: Conference Paper
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
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