共 50 条
- [1] Field study on epidemiology of clinical mastitis in five Italian dairy herds MILCHWISSENSCHAFT-MILK SCIENCE INTERNATIONAL, 2002, 57 (01): : 3 - 6
- [9] FLUCTUATING PREVALENCE OF MASTITIS IN DAIRY HERDS JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 1963, 143 (05): : 507 - +