Retail Yield Comparison of Average Good and Average Choice Conformation Beef Carcasses

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Abstract
Forty-eight average Choice and 36 average Good conformation steer carcasses were used to study the effect of carcass conformation, hot carcass weight and fat thickness at the 12th rib on yield of uniformly trimmed retail cuts. Average Choice conformation carcasses yielded a higher percent (P<.05) of total retail cuts than average Good conformation carcasses mainly due to a higher yield of minor retail cuts and less bone. There were no significant differences in percent of retail cuts from the primal wholesale cuts or percent of thick retail cuts (roasts and steaks) attributable to conformation. Hot carcass weight did not significantly affect the percent of retail cuts when conformation and fat thickness were similar. Fat thickness at the 12th rib (1.31 to 2.0 vs. 0.8 to 1.3 cm.) had a more consistent effect on weight and percent retail cuts than conformation or carcass weight. Carcasses with greater fat thickness yielded less retail cuts and more fat than carcasses with less fat thickness. Copyright © 1969. American Society of Animal Science . Copyright 1969 by American Society of Animal Science

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