ISBN: 9787109190900 - 奶牛粗饲料实用技术手册[wx]蒋林树,陈俊杰,张良中国农业出版社9787109190900 (1 Ergebnisse)

paperback. Zustand: New. Pub Date: 2014-12-01 Pages: 258 Language: Chinese Publisher: China Agricultural Press feed specialization is an important feature of modern dairy. diet is an important material basis for the production of cows. not nutritionally complete and balanced diet . it is difficult to ensure the health. efficiency and quality of dairy cows. The genetic potential to promote conditions for different production management. resource characteristics. production levels and the size of the standard level of .…