共 50 条
- [31] EFFECT OF NIACIN IN DAIRY-COWS IN LOW DIET MONATSHEFTE FUR VETERINARMEDIZIN, 1993, 48 (01): : 13 - 15
- [34] MASTITIS IN DAIRY-COWS VETERINARY CLINICS OF NORTH AMERICA-LARGE ANIMAL PRACTICE, 1981, 3 (02): : 447 - 454
- [36] PRODUCTION CHARACTERISTICS OF HIGH-YIELDING DAIRY-COWS ANIMAL PRODUCTION, 1983, 36 (JUN): : 321 - 334