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Jingfu Zhang, Zhiwei Liu, Zhengxiang Shi, Leisheng Jiang and Tao Ding
The milk yield of dairy cows in a non-stressed state in the cold region in China is lower during cold seasons. In this study, the correlations between indoor environmental factors and milk production were analyzed. Temperature, relative humidity, and lig...
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Yujian Lu, Xiao Yang, Lei E, Zhiwei Fang, Yongzhen Li, Chao Liang, Zhengxiang Shi and Chaoyuan Wang
A mixing fan and spraying system is commonly used to control the indoor environment of naturally ventilated dairy barns worldwide. However, its impact on particulate matter (PM) concentration and variation is still unclear due to the lack of year-round f...
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Wanying Zhao, Christopher Choi, Lin Ru, Zhengxiang Shi and Hao Li
On dairy farms, calves are typically raised inside barns (either in individual or group pens), or they are raised in outdoor hutches. To evaluate the effect of all three of these commonly used rearing practices on calves, an experiment was conducted. A g...
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