Table 1. Live weight, carcass traits and yields of belly and shoulder butt among three quality grade groups.

Grade group	Live weight (kg)	Hot carcass weight (kg)	Cold carcass weight (kg)	Back-fat thickness (mm)	Shoulder butt weight (kg)	Belly weight (kg)
1+	114.48±3.71	92.23±3.69	89.39±2.77	20.50±1.66	2.50±0.20	7.04±0.39
1	115.61±5.90	92.68±4.41	90.17±4.50	21.64±4.15	2.46±0.24	7.10±0.55
2	116.26±13.82	92.86±11.06	90.71±10.81	22.86±6.09	2.58±0.37	7.03±0.94