ISBN: 9787122311931 - 奶牛养殖实用技术 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2018-05-01 Pages: 122 Language: Chinese Publisher: chemical industry press the dairy practical technology content including need to prepare work before raising cows. calves breeding management. breeding cattle breeding management. young cow breeding management. as a cow breeding management as well as the cow from six aspects. such as disease control and prevention are introduced.…