Abstract
SUMMARY The influence of carcass weight, bird sex, and carcass aging time on meat quality traits of pectoralis major muscles was studied in broiler birds. A total of 800 birds were used. After processing, carcasses were graded into 3 categories: 1,500 to 1,600 g, 1,600 to 1,700 g, and greater than 1,700 g. Forty-two carcasses from broilers of each sex were randomly selected from each carcass weight category. Seven carcasses of broilers from each sex within the same carcass weight category were aged for 0, 2, 4, 6, 8, and 24 h postchilling. The ADG and FCR increased (P 0.05) by any of the factors. Cooking loss was affected only by bird sex. Lighter carcasses had a higher (P
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