ISBN: 9787537565851 - 正版 5本以上包邮 奶牛高效养殖技术 适用农家书屋 技校培训教材 河北科学技术出版社 (1 Ergebnisse)

paperback. Zustand: New. Pub Date: 2014-02-01 Pages: 216 Language: Chinese Publisher: Hebei Science and Technology Press. cow efficient breeding technology to pollution. environmental protection and new technology. to achieve high-yielding dairy cows. high quality. eco-targets. introduces cows fine varieties. dairy feed savings. ecological use. high-quality and efficient cultivation of breeding cows. cows and other content prevention of common diseases. Contents Chapter Section varieties of cows breed classification .…