ISBN: 9787810665827 - 优质猪肉生产技术问答——猪全方位养殖技术丛书 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 292 Language: Chinese animal husbandry is based on vegetable and animal products as raw materials. animal production industry of the necessary human animal products. its main breeding industry. In developed countries. the proportion of animal husbandry output value of total agricultural output value of more than 60%. individual people will be less country even more than 80%. Livestock products as the supply of raw materials of the pillar industries of food processing i.…