JATURASITHA ET AL.
Table 1. Carcass quality of the chickens slaughtered at an age of 16 wk1
Chicken genotype
Black-
Item boned Thai Bresse Rhode SEM P-value
Slaughter weight (kg) 1.10c 1.28bc 1.52ab 1.58a 0.057 0.001
Dressing (%) 63.7 65.9 63.6 64.4 0.05 0.084
Retail cuts (% of chilled carcass weight)
Breast with bones 16.6 17.7 18.6 16.1 0.08 0.279
Thigh with bones 20.6 19.6 20.4 19.3 0.09 0.354
Drumstick with bones 16.7 16.7 16.6 17.6 0.04 0.429
Tenderloin (pectoralis minor) 5.8 5.3 5.5 4.2 0.03 0.081
Four-portion cut 60.0 59.3 61.2 57.2 0.11 0.290
Thai cutting style without bone (% of chilled carcass weight)
Breast 12.5ab 15.5a 14.8a 11.7b 0.05 0.002
Thigh 13.4 13.0 13.3 12.7 0.04 0.673
Drumstick 10.6 10.5 10.7 10.6 0.04 0.997
Tenderloin 5.8 5.3 5.5 4.2 0.03 0.081
Total lean 50.8 50.4 53.1 48.2 0.11 0.095
Bone 43.7ab 41.4b 41.0b 45.2a 0.08 0.010
Lean:bone ratio 1.17ab 1.23ab 1.30a 1.08b 0.004 0.022