China Dairy Cattle 1997 Issue 2 nai niu chu ru zai jia xu fan zhi kong zhi zhong de ying yong

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China Dairy Cattle
1004-4264
1997 Issue 2

nai niu chu ru zai jia xu fan zhi kong zhi zhong de ying yong
tian yun bo

..............page:55-57

yuan liao nai de zong he kai fa he li yong
liu zhi min

..............page:50-51

zhong yao zeng ru san dui nai niu zeng nai bao jian xiao guo guan cha
gu xin li

..............page:37-38

shi guan niu pei tai de shi yan shi sheng chan guo cheng
qin peng chun

..............page:17-19

wei ji zai nai niu chang sheng chan guan li gong zuo zhong de ying yong
qian li yan

..............page:12-15