ISBN: 9787564104504 - how to efficiently pig and pig common control(chinese edition) (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.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 production indicators. good pig Profile and shape selection. boars feeding and management. sow feeding and management. piglet rearing and finishing pigs feeding and management. how do the aspects of the production records of pigs and.…