680 hogs have been probed to measure their fat and loin depth. These measures have been compared to measures on the carcasses at the slaughterhouse. 108 carcasses had a full cutout to determine the real lean meat yield. A-mode and B-mode ultrasound machines gave a better prediction of the lean meat yield than the probe at the slaughterhouse. The loin eye area can be predicted as well with a B-mode than an A-mode ultrasound machine. Marbling cannot be predicted from live measurements but this could be improved

N. Dion, D. Pettigrew, G. Dumas, J. P Daigle

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 23: Opening: plenary; technology; transfer; beef cattle; dairy cattle; pigs., , 567–570, 1998
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