Item | Treatmentc | P-value | |||
---|---|---|---|---|---|
W80C90 | W80C180 | W130C90 | W130C180 | ||
Growing period (3–12 months of age) | |||||
Initial body weight (kg) | 112.7 ± 12.3 | 114.9 ± 13.8 | 118.7 ± 10.8 | 110.7 ± 13.7 | 0.062 |
Final body weight (kg) | 314.6 ± 31.3 | 317.5 ± 29.2 | 320.2 ± 24.0 | 299.0 ± 23.8 | 0.277 |
Average daily gain (kg) | 0.74 ± 0.08 | 0.75 ± 0.08 | 0.74 ± 0.07 | 0.70 ± 0.06 | 0.362 |
Concentrate (DM, kg) | 3.58 ± 0.58 | 3.58 ± 0.58 | 3.58 ± 0.58 | 3.58 ± 0.58 | – |
Rice straw (DM, kg) | 1.78 ± 0.25 | 1.78 ± 0.25 | 1.78 ± 0.25 | 1.78 ± 0.25 | – |
Dry matter intake (kg) | 5.36 ± 0.57 | 5.36 ± 0.57 | 5.36 ± 0.57 | 5.36 ± 0.57 | – |
Feed conversion ratio | 7.24ab ± 0.60 | 6.96b ± 0.65 | 7.24ab ± 0.51 | 8.68a ± 0.53 | 0.011 |
Early fattening period (13–22 months of age) | |||||
Initial body weight (kg) | 314.6 ± 31.3 | 317.5 ± 29.2 | 320.2 ± 24.0 | 299.0 ± 23.8 | 0.277 |
Final body weight (kg) | 569.5 ± 40.5 | 584.7 ± 56.2 | 583.8 ± 57.8 | 570.7 ± 48.9 | 0.828 |
Average daily gain (kg) | 0.84 ± 0.05 | 0.88 ± 0.11 | 0.87 ± 0.12 | 0.90 ± 0.13 | 0.500 |
Concentrate (DM, kg) | 5.82 ± 1.11 | 5.82 ± 1.11 | 5.82 ± 1.11 | 5.82 ± 1.11 | – |
Rice straw (DM, kg) | 2.39 ± 0.21 | 2.39 ± 0.21 | 2.39 ± 0.21 | 2.39 ± 0.21 | – |
Dry matter intake (kg) | 8.21 ± 0.45 | 8.21 ± 0.45 | 8.21 ± 0.45 | 8.21 ± 0.45 | – |
Feed conversion ratio | 10.06 ± 0.77 | 9.70 ± 1.41 | 9.71 ± 1.31 | 9.41 ± 1.59 | 0.714 |
Late fattening period (23–31 months of age) | |||||
Initial body weight (kg) | 569.5 ± 40.5 | 584.7 ± 56.2 | 583.8 ± 57.8 | 570.7 ± 48.9 | 0.838 |
Final body weight (kg) | 756.5 ± 60.1 | 783.0 ± 79.3 | 781.8 ± 75.6 | 766.1 ± 72.9 | 0.793 |
Average daily gain (kg) | 0.65 ± 0.09 | 0.69 ± 0.12 | 0.69 ± 0.08 | 0.68 ± 0.17 | 0.868 |
Concentrate (DM, kg) | 7.97 ± 0.81 | 8.13 ± 0.64 | 8.13 ± 0.64 | 8.13 ± 0.64 | – |
Rice straw (DM, kg) | 0.96 ± 0.34 | 0.96 ± 0.34 | 0.96 ± 0.34 | 0.96 ± 0.34 | – |
Dry matter intake (kg) | 8.93 ± 0.83 | 9.09 ± 0.64 | 9.10 ± 0.64 | 9.10 ± 0.64 | – |
Feed conversion ratio | 13.77 ± 3.93 | 11.98 ± 2.03 | 11.87 ± 1.66 | 12.10 ± 2.39 | 0.642 |
Entire period (3–31 months of age) | |||||
Initial body weight (kg) | 112.7 ± 12.3 | 114.9 ± 13.8 | 118.7 ± 10.8 | 110.7 ± 13.7 | 0.062 |
Final body weight (kg) | 756.5 ± 60.1 | 783.0 ± 79.3 | 781.8 ± 75.6 | 766.1 ± 72.9 | 0.793 |
Average daily gain (kg) | 0.75 ± 0.06 | 0.78 ± 0.07 | 0.77 ± 0.05 | 0.77 ± 0.08 | 0.739 |
Concentrate (DM, kg) | 5.72 ± 2.33 | 5.78 ± 2.37 | 5.75 ± 2.43 | 5.75 ± 2.43 | – |
Rice straw (DM, kg) | 1.73 ± 0.65 | 1.73 ± 0.65 | 1.69 ± 0.67 | 1.69 ± 0.67 | – |
Dry matter intake (kg) | 7.45 ± 2.17 | 7.50 ± 2.19 | 7.45 ± 2.33 | 7.45 ± 2.33 | – |
Feed conversion ratio | 10.2 ± 4.09 | 9.35 ± 3.05 | 9.26 ± 3.11 | 9.30 ± 3.31 | 0.879 |