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How to efficiently pig and pig common control(Chinese Edition) - Softcover

CHANG ZHOU SHI KE XUE JI SHU XIE HUI, YAN XIAO DONG

 
9787564104504: How to efficiently pig and pig common control(Chinese Edition)

Synopsis

Language:Chinese.Soft cover.description:Paperback Pages. Number: 155 How efficient prevention of pig and pig common content is divided into three parts. The first part introduces the knowledge of how to efficiently pig. covering pig feeding type and size of farms production process and pr

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