Prediction of carcass composition and individual carcass cuts of Japanese Black steers

Meat Science
Hiromichi MaenoH Hirooka

Abstract

The objective of this study was to develop equations to predict carcass tissue weights and percentages and boneless carcass non-trimmed cut weights by using the cold carcass weight (CCW) and three other traits at the 6-7th rib section, which are routinely collected in carcass markets in Japan. Carcasses from 94 Japanese Black steers were used for the multiple regression analysis with a stepwise procedure and a novel Least Absolute Shrinkage and Selection Operator (LASSO). The accuracies of prediction (R(2)) and RMSEs for the carcass tissue and cut weights were similar between the two procedures. In contrast, LASSO appeared to be the better procedure for predicting carcass tissue percentages. The longissimus muscle area and subcutaneous fat thickness were the important predictors for the lean percentage in the stepwise procedure, and CCW was additionally selected when the LASSO procedure was used.

References

Feb 24, 2001·Medical Decision Making : an International Journal of the Society for Medical Decision Making·E W SteyerbergJ D Habbema
Dec 4, 2008·The American Naturalist·Roger Mundry, Charles L Nunn
Jan 1, 1995·Meat Science·J J HarrisL E Orme
Nov 14, 2012·Journal of Theoretical Biology·Huijiang GaoHuanmin Yang

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Citations

Nov 19, 2015·Animal : an International Journal of Animal Bioscience·N TakanishiH Hirooka
Mar 10, 2016·Asian-Australasian Journal of Animal Sciences·Lee JooyoungKim Jongbok
Aug 21, 2020·Asian-Australasian Journal of Animal Sciences·Hyun-Woo SeoSoohyun Cho

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