高脂肪日粮对早期断奶羔羊断奶前后能量代谢和屠宰性能的影响

李文娟,陶慧,张乃锋,马涛,刁其玉

Effects of High-Fat Diet on Energy Metabolism and Slaughter Performance of Early-Weaning Lambs

LI WenJuan,TAO Hui,ZHANG NaiFeng,MA Tao,DIAO QiYu

表5 高脂肪日粮对早期断奶湖羊器官指数的影响（60和120日龄）

Table 5 Effect of high-fat diet on early Hu sheep organ index (60 and 120 days of age)

项目 Items 组别Groups SEM P NF HF 60日龄 60 days of age 头Head 重量Weight (g) 694.83 793.33 45.691 0.084 占宰前活重的比例Percentage of LBW(%) 7.57 7.01 0.962 0.201 皮+毛Fur 重量Weight (g) 869.17 1000 105.400 0.270 占宰前活重的比例Percentage of LBW(%) 9.04 8.63 0.511 0.270 蹄Hoofs 重量Weight (g) 362.50 436.67 32.568 0.071 占宰前活重的比例Percentage of LBW(%) 3.84 3.83 0.284 0.072 心Heart 重量Weight (g) 48.02 57.6 3.143 0.064 占宰前活重的比例Percentage of LBW(%) 0.52 0.5 0.318 0.684 肝Liver 重量Weight (g) 187.85 250.55 8.761 0.102 占宰前活重的比例Percentage of LBW(%) 1.95 2.18 0.530 0.109 脾Spleen 重量Weight (g) 15.87 21.05 2.563 0.112 占宰前活重的比例Percentage of LBW(%) 0.17 0.19 0.191 0.249 肺Lungs 重量Weight (g) 134.62b 171.02a 5.861 0.049 占宰前活重的比例Percentage of LBW(%) 1.43 1.49 0.504 0.591 肾Kidneys 重量Weight (g) 39.93 44.55 2.772 0.201 占宰前活重的比例Percentage of LBW(%) 0.43 0.39 0.224 0.14 120日龄 120 days of age 头Head 重量Weight (g) 1500 1577.78 44.280 0.117 占宰前活重的比例Percentage of LBW(%) 5.05 4.85 0.468 0.117 皮+毛Fur 重量Weight (g) 2544.44b 2866.67a 117.400 0.025 占宰前活重的比例Percentage of LBW(%) 8.47 8.77 0.293 0.325 蹄Hoofs 重量Weight/g 840 851.11 29.460 0.716 占宰前活重的比例Percentage of LBW(%) 2.82a 2.61b 0.481 0.030 心Heart 重量Weight (g) 113.92b 130.84a 4.033 0.014 占宰前活重的比例Percentage of LBW(%) 0.38 0.40 0.252 0.464 肝Liver 重量Weight (g) 640.94 679.35 10.092 0.291 占宰前活重的比例Percentage of LBW(%) 2.12 2.08 0.448 0.559 脾Spleen 重量Weight (g) 39.2 42.55 2.188 0.069 占宰前活重的比例Percentage of LBW(%) 0.13 0.13 0.152 0.761 肺Lungs 重量Weight (g) 348.86 359.72 8.954 0.695 占宰前活重的比例Percentage of LBW(%) 1.17 1.11 0.451 0.428 肾Kidneys 重量Weight (g) 107.95 116.15 3.291 0.053 占宰前活重的比例Percentage of LBW(%) 0.36 0.36 0.213 0.707