Abstract

Use of computed tomography (CT) scanning provides a non-invasive means of measuring carcass compositional data in live animals (Young et al., 1987). In sheep, incorporation of CT measurements with ultrasonic fat and muscle dimensions into selection indexes improved predicted rates of genetic gain in carcass lean and fat compared with indexes using liveweight and ultrasonic measurements alone (Simm and Dingwall, 1989; Jopson et al., 1995). 

G. B Nicoll, N. B Jopson, John C McEwan

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 2002. Session 11, , 11.3, 2002
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