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China/Asia On Demand
Journal Articles
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mu zhu sheng chan shi bai de yuan yin fen xi
Author(s): 
Pages: 152-152
Year: Issue:  6
Journal: Technical Advisor for Animal Husbandry

Keyword:  母猪生产原因妊娠母猪动态循环养猪生产哺乳阶段保育阶段木乃伊;
Abstract: 养猪生产是个动态循环的过程,木乃伊胎在妊娠中后期形成,肉眼可见;死胎则在临产前几天和分娩时产生;弱仔则涉及到几个阶段,如妊娠阶段、哺乳阶段、保育阶段都可以产生。
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