Response | 0 IU (n = 9) | 150,000 IU (n = 7) | 300,000 IU (n = 9) | SE | P-value |
---|---|---|---|---|---|
Birth to weaning | |||||
 Birth weight, kg | 35.1 | 35.6 | 35.6 | 0.58 | 0.932 |
 Average daily gain, kg/d | 0.88b | 0.98a | 1.00a | 0.02 | 0.034 |
Backgrounding | |||||
 Weaning weight at 210 d, kg | 219.2b | 248.7ab | 246.0a | 5.98 | 0.018 |
 Dry matter intake, kg/(head·d) | 9.09 | 8.89 | 9.25 | 0.39 | 0.320 |
 Average daily gain, kg | 1.35 | 1.37 | 1.47 | 0.17 | 0.784 |
 Gain: Feed ratio, kg | 0.149 | 0.153 | 0.156 | 0.031 | 0.944 |
Finishing | |||||
 Weight at 308 d, kg | 312.1b | 333.0ab | 339.7a | 8.65 | 0.040 |
 Dry matter intake, kg/(head·d) | 8.95 | 9.45 | 9.09 | 0.85 | 0.829 |
 Average daily gain, kg | 2.06 | 1.99 | 1.90 | 0.17 | 0.627 |
 Feed: Gain ratio, kg | 4.35 | 4.76 | 4.79 | 0.13 | 0.219 |
Pre-harvest | |||||
 Actual body weight (438 d), kg | 581.8 | 610.4 | 588.3 | 10.97 | 0.116 |