A least squares analysis of the weight of 15 individual export cuts from 808 carcasses of 20-month old steers identified significant effects of carcass weight, carcass fat measurements, carcass grade and sire breed on the weight of export cuts. Increasing carcass weight had a positive effect on cut weight but increasing carcass fatness had a variable effect on weight of cut. The weight of cut marketed with negligible subcutaneous fat (cube roll) decreased in weight by 7% as carcass fat depth increase from 4 to 12 mm. In contrast a cut which included subcutaneous fat increased in weight by 15% over the same fatness range. The data show that the most equitable pricing system (schedule) would take account of weight of individual cuts.

KG, Geenty, SR Young, JN Clarke, and JA Wilson

Proceedings of the New Zealand Society of Animal Production, Volume 44, , 227-230, 1984
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