China Dairy ›› 2020, Vol. 0 ›› Issue (8): 39-43.
• FEEDING MANAGEMENT • Previous Articles Next Articles
| [1] 罗学明,王小庆,沈佳栾,等. SCR 发情监测系统在奶牛繁殖体系中的应用[J]. 浙江农业科学,2019,60 (12): 2380–2381. [2] Norman H D, Wright J R,Hubbard S M, et al. Reproductive status of Holstein and Jersey cows in the United States[J]. Journal of Dairy ence,2009,92(7):3517-3528. [3] Inchais R I C,Jorritsma R,Vos P L,et al. Economic conse-quences of reproductive performance in dairy cattle[J]. Theriogenology, 2010,74(5):835–846. |
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