Isbn: 9787227041054 - 4册 牛病防治新技术宝典+肉牛快速育肥新技术+肉牛健康养殖与疾病防治宝典+新编肉牛饲料配方600例 养牛的书 牛病预防诊断治疗书籍 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 102 Language: Chinese. Feeding management of beef cattle and forage processing modulation techniques reality. systematic introduction to the varieties of beef from cattle production. cattle feeding and management technology. Jia Ziniu fattening techniques. feeding barn construction technology. forage processing modulation technique. the principle of feeding straw feed. beef cattle roughage feed reserves and feeding of seven aspects. Beef cattle management and forage pr.…