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2. 不同饲养规模生猪精饲料费用占比
Fig. 2. Percentages of concentrate feed costs of different scales
