高山美利奴育成羊的能量与蛋白质需要量

王晨,张宏伟,王虎成,孙晓萍,李发弟,杨博辉

Energy and Protein Requirements of Alpine Merino Growing Sheep

WANG Chen,ZHANG HongWei,WANG HuCheng,SUN XiaoPing,LI FaDi,YANG BoHui

表4 饲喂水平对高山美利奴育成羊能量利用的影响

Table 4 Effects of feed intake level on energy utilization of Alpine Merino growing sheep

性别 Gender 项目 Items 组别 Groups SEM P AL IR80 IR60 IR40 育成公羊 Growing male sheep 食入总能 GEI (MJ·d-1) 36.74a 32.64b 24.43c 16.60d 2.00 <0.001 粪能 FE (MJ·d-1) 16.35a 13.99b 8.80c 5.29d 1.14 <0.001 尿能 UE (MJ·d-1) 0.61 0.65 0.77 0.62 0.06 0.79 甲烷能 CH4E (MJ·d-1) 0.34 0.39 0.43 0.24 0.06 0.763 产热量 HP (MJ·d-1) 6.42 7.13 7.35 5.77 0.31 0.271 消化能 DE (MJ·d-1) 20.39a 18.65b 15.64c 11.31d 0.94 <0.001 代谢能 ME (MJ·d-1) 19.44a 17.61a 14.44b 10.44c 0.93 <0.001 净能 NE (MJ·d-1) 9.89a 8.96a 7.35b 5.31c 0.48 <0.001 能量沉积量 RE (MJ·d-1) 13.02a 10.47a 7.09b 4.67b 0.91 <0.001 总能消化率 DE/GE (%) 55.42b 57.13b 64.00a 68.11a 1.52 <0.001 总能代谢率 ME/GE (%) 52.83b 53.95b 59.11ab 62.92a 1.33 0.007 消化能代谢率 ME/DE (%) 95.31 94.36 92.34 92.37 0.52 0.087 育成母羊 Growing female sheep 食入总能 GEI (MJ·d-1) 30.69a 24.55b 18.26c 12.38d 1.81 <0.001 粪能 FE (MJ·d-1) 12.02a 8.56b 6.30c 3.98d 0.80 <0.001 尿能 UE (MJ·d-1) 0.21 0.17 0.18 0.18 0.01 0.866 甲烷能 CH4E (MJ·d-1) 0.33ab 0.63a 0.15b 0.12b 0.07 0.022 产热量 HP (MJ·d-1) 5.78 5.75 5.89 4.56 0.22 0.082 消化能 DE (MJ·d-1) 18.66a 15.99b 11.96c 8.39d 1.08 <0.001 代谢能 ME (MJ·d-1) 18.12a 15.19b 11.62c 8.09d 1.06 <0.001 净能 NE (MJ·d-1) 8.94a 7.49b 5.73c 3.99d 0.51 <0.001 能量沉积量 RE (MJ·d-1) 12.34a 9.43a 5.73b 3.54b 1.00 <0.001 总能消化率 DE/GE (%) 60.64 65.14 65.49 67.8 1.21 0.211 总能代谢率 ME/GE (%) 58.84 61.86 63.63 65.38 1.29 0.346 消化能代谢率 ME/DE (%) 96.98 94.78 97.17 96.43 0.47 0.267