共 50 条
- [25] A COMPARATIVE OBSERVATIONAL STUDY ON THE REPRODUCTIVE-PERFORMANCE OF DAIRY-COWS WITH METRITIS AND NORMAL COWS SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE-SUID-AFRIKAANSE TYDSKRIF VIR VEEKUNDE, 1995, 25 (01): : 21 - 25
- [30] USE OF MELENGESTROL ACETATE (MGA) FOR IMPROVING REPRODUCTIVE-PERFORMANCE OF DAIRY-COWS VETERINARY MEDICINE & SMALL ANIMAL CLINICIAN, 1975, 70 (09): : 1052 - &