奶牛标准化生态养殖关键技术 - Softcover

Cows standardized key ecological farming techniques(Chinese Edition)

paperback. Zustand: New. Pub Date: 2014-05-01 Pages: 146 Language: Chinese Publisher: Central Plains farmer Press ecological farming cows standardization of key technologies. focuses on the standardization of ecological farming cows technical overview. standardized design and construction of ecological farms. standardization varieties and breeding technology. standardized production of feed. feeding and management standardization. standardization of disease prevention and control of key technologies. dairy product st. Artikel-Nr. BY002837

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