肉用绵羊生长期甲烷排放特点与预测模型的建立

周艳,董利锋,邓凯东,许贵善,刁其玉

Development of Models of Methane Emissions from Growing Sheep

ZHOU Yan,DONG LiFeng,DENG KaiDong,XU GuiShan,DIAO QiYu

表2 甲烷排放量与饲料不同营养物质含量的相关系数（r）

Table 2 Correlation coefficient of methane emissions and chemical composition in feeds

项目Items GE NDF NFC/NDF NDF/OM 25-35 kg -0.876** 0.832** -0.879** 0.858** 48-55 kg -0.762** 0.448 -0.760** 0.440 25-55 kg -0.794** 0.614** -0.809** 0.608**