ISBN: 9787554206249 - 肉鸡标准化安全养殖关键技术 (1 resultados)

paperback. Condición: New. Pub Date: 2014-05-01 Pages: 332 Language: Chinese Publisher: Central Plains farmer Press chicken farming standardized security key technology focuses on the standardization of safety broiler production overview. standardized safe production environment and biological safety control technology. variety and Seed standardized safety control technology. feed and veterinary supplies safe use of technology standardization. standardization safe feeding and management techniques. disease prevention a.…