Abstract
The carcass characteristics of 334 Chinese Yellow Cattle, and their Simmental and Limousin crosses, were investigated in abattoirs in Hebei and Sandong provinces of China. The overall slaughter age was 4.8±2.2 years at a mean liveweight of 527.28±77.0 kg. Mean ages and liveweights for Yellow Cattle and its crosses were, respectively, 5.29±2.03 and 2.85±1.71 years and 519.43±78.7 and 563.13±56.8 kg. Carcass weights varied considerably and, consequently, so did subcutaneous fat depths and dressing percentages. Overall, mean carcass weights, subcutaneous fat depths and, dressing percentages and eyemuscle areas were 283.9±64.1 kg, 14.0±8.0 mm, 54.0±4.0%, and 62.7 ±13.3 cm 2, respectively. Compared with pure Yellow Cattle, the crosses were slaughtered at younger age, and had larger live and carcass weights, higher dressing percentages, less subcutaneous fat depth and bigger eyemuscle areas. It is concluded that crossbreeding can significantly improve Yellow Cattle' meat productivity, however feeding systems need to be improved and an appropriate grading system developed to improve beef production and quality in China.
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