Isbn: 9787227033424 - 明明白白养肉牛 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 232 increase in rural areas the majority of beef cattle farmers breeding and management of the technical level is to improve beef production and quality. increasing an important guarantee to raise beef cattle cost-effective. but also the cattle breeding industry and its products slaughter and processing is an important condition for sustained and steady development . The book puts forward workable. practical measures to address the major and difficult technical problem.…