养猪生产实训教程/高等职业教育畜牧兽医类“十二五”规划教材 - Tapa blanda

Pig Production Training Course(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2013-8-1 Pages: 75 Publisher: Southwest Jiaotong University Press' pig production Training Course is a school-enterprise cooperation to develop teaching materials. professional training practice is pig guide books. Content knowledge and skills related to large-scale pig farms in various technical positions are necessary. mainly on pig breeding techniques to identify and pigs. semen technology. breeding sows and timely identification technology estrus. pre. Nº de ref. del artículo: BY061278

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