... 蛋鸡笼养设备 chicken foster facility 笼养蛋鸡疲劳症 cage layer fatigue 三七蛋鸡精料 laying feed ...
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battery laying feed 笼养产蛋鸡饲料
laying hens compound feed 蛋鸡配合饲料
·2,447,543篇论文数据，部分数据来源于NoteExpress
Ideally, when a chick becomes a candidate to become an egg-laying hen, it is put in a clean environment with clean water and feed, he said.
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