乳制品进口对中国不同规模奶牛养殖效率的影响
魏艳骄,朱晶

Effects of dairy imports on the efficiency of cow farming operations of different scales in China
Yanjiao WEI,Jing ZHU
图1 2001—2015年中国奶牛养殖存栏、原奶产量、奶牛单产
数据来源:《中国奶业年鉴(2002—2016)》
Figure 1 China’s cow farming stock, milk production, and yield of milk per cow, 2001-2015