指标Indexs | 处理组Treatments | |||
T1 (2T4%) | T2 (2T2%) | T3 (3T4%) | T4 (3T2%) | |
存活率(SR, %) | 100.00 ± 0.00a | 97.78 ± 3.85ab | 100.00 ± 0.00a | 91.11 ± 3.85b |
末体重(FBW, g) | 81.51 ± 5.18a | 69.48 ± 2.78bc | 80.58 ± 7.10ab | 67.02 ± 6.02c |
肥满度(CF, g/cm3) | 2.10 ± 0.22 | 1.95 ± 0.05 | 2.13 ± 0.12 | 1.94 ± 0.12 |
肝体比(HSI, %) | 2.36 ± 0.11 | 2.17 ± 0.25 | 2.51 ± 0.27 | 2.29 ± 0.17 |
脏体比(VSI, %) | 7.71 ± 0.51 | 7.52 ± 0.11 | 7.74 ± 0.19 | 7.49 ± 0.41 |
肠脂比(IPR, %) | 1.55 ± 0.19 | 1.45 ± 0.15 | 1.60 ± 0.04 | 1.50 ± 0.04 |
增重率(WG, %) | 274.24 ± 23.79a | 223.45 ± 12.94bc | 263.47 ± 15.09ab | 204.62 ± 13.83c |
特定生长率(SGR, %/day) | 2.49 ± 0.12a | 2.21 ± 0.07bc | 2.40 ± 0.08ab | 2.10 ± 0.09c |
饲料系数(FCR) | 1.01 ± 0.04b | 1.05 ± 0.04ab | 1.07 ± 0.12ab | 1.20 ± 0.03a |
蛋白质效率(PER) | 2.21 ± 0.09a | 2.12 ± 0.08ab | 2.09 ± 0.22ab | 1.86 ± 0.04b |