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3 饲喂水平对高山美利奴育成羊气体代谢的影响

Table 3 Effects of feed intake level on gas metabolism 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 氧气 O2 (L·d-1) 305.3 346.7 357.24 284.79 14.90 0.282 二氧化碳 CO2 (L·d-1) 312.5 321.81 335.70 251.59 15.68 0.356 甲烷 CH4 (L·d-1) 8.51 9.74 10.80 6.18 1.49 0.763 育成母羊 Growing female sheep 氧气 O2 (L·d-1) 283.98a 274.39a 288.06a 224.49b 9.46 0.042 二氧化碳 CO2 (L·d-1) 260.54a 285.36a 267.66a 207.97b 10.93 0.016 甲烷 CH4 (L·d-1) 8.43ab 15.97a 3.90b 3.11b 1.79 0.022