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'Dr Cattleman' focusing on producing milk

chinadaily.com.cn | 2016-12-05 14:09
'Dr Cattleman' focusing on producing milk

Zeng Bo, a doctorate holder in animal nutrition from Chinese Academy of Sciences, settles lucerne hay in feed room in Chenzhou, Central China's Hunan province, on December 4, 2016. [Photo/VCG]

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