Item | Weaning agea | SE | Pr > |t| | |
---|---|---|---|---|
W80 | W130 | |||
Growing period (3–12 months of age) | ||||
Initial body weight (kg) | 110.3 ± 13.3 | 111.5 ± 14.3 | 3.816 | 0.758 |
Final body weight (kg) | 316.1 ± 30.3 | 309.6 ± 26.1 | 8.807 | 0.472 |
Average daily gain (kg) | 0.75 ± 0.08 | 0.72 ± 0.06 | 0.023 | 0.237 |
Concentrate (DM, kg) | 3.58 ± 0.58 | 3.58 ± 0.58 | – | – |
Rice straw (DM, kg) | 1.78 ± 0.25 | 1.78 ± 0.25 | – | – |
Dry matter intake (kg) | 5.36 ± 0.57 | 5.36 ± 0.57 | – | – |
Feed conversion ratio | 7.15 ± 0.63 | 7.44 ± 0.53 | 0.180 | 0.269 |
Early fattening period (13–22 months of age) | ||||
Initial body weight (kg) | 316.1 ± 30.3 | 309.6 ± 26.1 | 8.807 | 0.472 |
Final body weight (kg) | 577.1 ± 49.6 | 577.3 ± 53.9 | 14.282 | 0.857 |
Average daily gain (kg) | 0.86 ± 0.09 | 0.89 ± 0.13 | 0.032 | 0.248 |
Concentrate (DM, kg) | 5.82 ± 1.11 | 5.82 ± 1.11 | – | – |
Rice straw (DM, kg) | 2.39 ± 0.21 | 2.39 ± 0.21 | – | – |
Dry matter intake (kg) | 8.21 ± 0.45 | 8.21 ± 0.45 | – | – |
Feed conversion ratio | 9.88 ± 1.15 | 9.56 ± 1.47 | 0.355 | 0.378 |
Late fattening period (23–31 months of age) | ||||
Initial body weight (kg) | 577.10 ± 50.63 | 577.27 ± 55.07 | 52.900 | 0.991 |
Final body weight (kg) | 769.77 ± 73.13 | 773.94 ± 76.28 | 74.721 | 0.848 |
Average daily gain (kg) | 0.67 ± 0.12 | 0.69 ± 0.14 | 0.128 | 0.707 |
Concentrate (DM, kg) | 8.05 ± 0.71 | 8.13 ± 0.62 | – | – |
Rice straw (DM, kg) | 0.96 ± 0.33 | 0.96 ± 0.33 | – | – |
Dry matter intake (kg) | 9.01 ± 0.73 | 9.10 ± 0.62 | – | – |
Feed conversion ratio | 12.87 ± 3.09 | 11.99 ± 1.95 | 2.586 | 0.454 |
Entire period (3–31 months of age) | ||||
Initial body weight (kg) | 110.3 ± 13.3 | 111.5 ± 14.3 | 14.100 | 0.772 |
Final body weight (kg) | 769.8 ± 71.6 | 773.9 ± 74.7 | 74.721 | 0.848 |
Average daily gain (kg) | 0.77 ± 0.07 | 0.77 ± 0.08 | 0.079 | 0.881 |
Concentrate (DM, kg) | 5.75 ± 2.33 | 5.75 ± 2.41 | – | – |
Rice straw (DM, kg) | 1.73 ± 0.65 | 1.69 ± 0.67 | – | – |
Dry matter intake (kg) | 7.47 ± 2.17 | 7.45 ± 2.31 | – | – |
Feed conversion ratio | 9.77 ± 3.56 | 9.28 ± 3.14 | 3.358 | 0.601 |