中国生猪耗粮系数时空演变特征
刘晓宇1,2(
), 辛良杰1()
), 辛良杰1()
Spatial and temporal variations of grain consumption coefficient of pig in China
LIU Xiao-yu1,2(), XIN Liang-jie1()
), XIN Liang-jie1()
图3. 不同饲养规模生猪主产品产量与饲养天数比值
Fig. 3. Ratios of pig staple production to days of feeding of different scales
