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6 高脂肪日粮对早期断奶湖羊胃肠道发育的影响（60和120日龄）

Table 6 Effect of high-fat diet on gastrointestinal development in early weaning Hu sheep (60 and 120 days old)

项目 Items 组别Groups SEM P NF HF 60日龄 60 days of age 瘤胃 Rumen 重量Weight (g) 160.10 180.80 7.111 0.362 占复胃重比例Percentage of total complex stomach weight(%) 65.02 63.56 2.643 0.631 占宰前活重的比例Percentage of live weight(%) 1.57 1.51 0.641 0.729 网胃 Reticulum 重量Weight (g) 24.83 29.43 2.560 0.146 占复胃重量的比例Percentage of total complex stomach weight(%) 10.18 10.62 1.384 0.595 占宰前活重的比例Percentage of live weight(%) 0.24 0.25 0.227 0.823 瓣胃 Omasum 重量Weight (g) 10.97 14.78 2.101 0.088 占复胃重量的比例Percentage of total complex stomach weight(%) 4.84 5.52 1.374 0.423 占宰前活重的比例Percentage of live weight(%) 0.11 0.13 0.185 0.404 皱胃 Abomasum 重量Weight (g) 44.32b 54.25a 3.009 0.043 占复胃重量的比例Percentage of total complex stomach weight(%) 19.96 20.30 2.183 0.867 占宰前活重的比例Percentage of live weight(%) 0.46 0.47 0.285 0.778 小肠 Small intestine 重量Weight (g) 265.03 324.83 8.044 0.073 占宰前活重的比例Percentage of live weight(%) 2.78 2.84 0.490 0.538 大肠 Large intestine 重量Weight (g) 189.43 198.35 5.071 0.435 占宰前活重的比例Percentage of live weight(%) 2.09 1.70 0.809 0.204 120日龄 120 days of age 瘤胃 Rumen 重量Weight (g) 697.50b 791.82a 106.901 0.030 占复胃重比例Percentage of total complex stomach weight(%) 71.80 73.11 1.521 0.413 占宰前活重的比例Percentage of live weight(%) 2.34 2.42 0.319 0.469 网胃 Reticulum 重量Weight (g) 90.82 94.32 11.381 0.382 占复胃重量的比例Percentage of total complex stomach weight(%) 9.30 8.73 0.363 0.154 占宰前活重的比例Percentage of live weight(%) 0.30 0.29 0.011 0.257 瓣胃 Omasum 重量Weight (g) 53.38 56.59 15.568 0.553 占复胃重量的比例Percentage of total complex stomach weight(%) 5.53 5.24 0.572 0.626 占宰前活重的比例Percentage of live weight(%) 0.18 0.17 0.071 0.751 皱胃 Abomasum 重量Weight (g) 129.79 138.61 31.956 0.432 占复胃重量的比例Percentage of total complex stomach weight(%) 13.37 12.92 1.021 0.669 占宰前活重的比例Percentage of live weight(%) 0.43 0.43 0.092 0.854 小肠 Small intestine 重量Weight (g) 584.78 617.00 144.000 0.521 占宰前活重的比例Percentage of live weight(%) 1.95 1.91 0.412 0.756 大肠 Large intestine 重量Weight (g) 517.34 540.49 128.901 0.605 占宰前活重的比例Percentage of live weight(%) 1.72 1.66 0.311 0.551