Items | G1 | G2 | G3 | G4 | P value |
---|---|---|---|---|---|
Dressing yield (%) | 72.32 ± 0.32 b | 71.98 ± 0.48 b | 71.91 ± 0.49 b | 73.62 ± 0.16 a | 0.018 |
Breast (%) | 23.64 ± 0.18b | 23.72 ± 0.19 b | 23.69 ± 0.23b | 24.97 ± 0.34a | 0.003 |
Thigh (%) | 28.8 ± 0.25 | 28.6 ± 0.32 | 28.8 ± 0.17 | 28.75 ± 0.19 | 0.910 |
Liver (%) | 2.10 ± 0.08 | 2.17 ± 0.09 | 2.18 ± 0.08 | 2.16 ± 0.1 | 0.931 |
Gizzard (%) | 1.97 ± 0.11 | 2.08 ± 0.1 | 2.07 ± 0.09 | 2.07 ± 0.09 | 0.867 |
Heart (%) | 0.51 ± 0.03 | 0.53 ± 0.02 | 0.54 ± 0.03 | 0.52 ± 0.02 | 0.877 |
Spleen (%) | 0.11 ± 0.003 | 0.11 ± 0.003 | 0.11 ± 0.001 | 0.10 ± 0.002 | 0.564 |
Bursa (%) | 0.15 ± 0.004b | 0.15 ± 0.004b | 0.15 ± 0.003b | 0.18 ± 0.004a | 0.00 |