Table 2.
Comparison between separate-sex and straight-run rearing for the Korean native male chickens on body weight (BW) and BW coefficient of variation (CV)
Age (weeks) | Body weight (g) | Coefficient of variation (%) |
Separate-sex | Straight-run | Separate-sex | Straight-run |
Day-old | 42.7±3.0b | 43.4±3.0a | 6.8±1.2 | 6.0±1.4 |
2 | 248.6±33.0a | 238.7±27.9b | 12.5±4.1a | 10.1±3.3b |
4 | 703.7±87.0a | 686±73.4b | 10.8±5.3 | 8.9±3.3 |
6 | 1,296.7±163.2 | 1,268±172.3 | 11.6±3.8 | 10.2±6.7 |
8 | 1,856.3±238.5 | 1,847.2±214.9 | 11.4±3.4 | 8.9±4.6 |
10 | 2,425.6±351.1a | 2,353.2±302.8b | 12.8±4.6 | 10±4.9 |
12 | 2,892.7±429.6 | 2,826.9±366.8 | 13.7±4.0a | 10.5±4.8b |