共 50 条
- [48] Herd-level economic analysis of the impact of paratuberculosis on dairy herds JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 1999, 214 (06): : 822 - 825
- [49] Economic impact of clinical mastitis in a dairy herd assessed by stochastic simulation MASTITIS CONTROL: FROM SCIENCE TO PRACTICE, 2008, : 423 - 429
- [50] Influence of involuntary of matrices culling on the economic impact of mastitis in dairy herd CIENCIA E AGROTECNOLOGIA, 2011, 35 (01): : 195 - 202