ISBN: 9787109071599 - 实用养猪技术大全+猪常见病诊治彩色图谱 养猪书籍 猪病学猪病与诊断 农业科学养殖教程 生猪母猪生产技术 防治诊治治疗猪养殖书籍 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback Pages Number: 549 practical pig focuses on the pig's biological characteristics and behavior habits. our rich pig resources and their protection and utilization. cross-breeding system. genetic improvement of pigs and pig. pig breeding technology. the pig's nutritional needs. ration formulation and feed processing technology. the environment of pigs and pig farms in environmental protection. pigs. piglets and growing and finishing pigs of scientific feeding and manag. …