Body and Carcass Composition of Targhee and Finn-Targhee Lambs

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Abstract
The carcasses and wool free empty bodies of 15 unselected Targhee, 15 weight selected Targhee (10 years selection for heavy weaning weight), 13 ½ Finn—Targhee and 17 ¼ Finn—¾ Targhee lambs were chemically analyzed. Each genotype group was comprised of initial slaughter, maintenance fed and ad libitum fed animals from a comparative slaughter experiment. Ad libitum animals were higher in fat and lower in water, protein and ash than animals from the other treatments. Maintenance animals had a higher fat content than the initial slaughter animals and on a fat-free dry matter basis they had a lower protein and higher ash content than ad libitum or initial slaughter animals. The ¼ Finn lambs on the average had higher fat and energy and lower water, protein and ash contents than the other genotypes, while the weight selected lambs were lower in fat and energy, but higher in water, protein and ash contents than the other genotypes. Genotypes were not significantly different in any composition parameter on a fat free basis. Copyright © 1973. American Society of Animal Science . Copyright 1973 by American Society of Animal Science.

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