共 50 条
- [31] LUTEAL PHASE DEFICIENCY AS A POSSIBLE CAUSE OF REPEAT BREEDING IN DAIRY-COWS BRITISH VETERINARY JOURNAL, 1987, 143 (06): : 560 - 566
- [33] CROSSBREEDING OF DAIRY-COWS WITH BEEF TYPE SIRES - ACTUAL SITUATION AND REQUIREMENTS IN BREEDING ZUCHTUNGSKUNDE, 1988, 60 (06): : 466 - 478
- [38] MANAGEMENT ASPECTS OF NEONATAL CALF DIARRHEA IN A HERD OF 400 DAIRY-COWS PRAKTISCHE TIERARZT, 1994, 75 (01): : 48 - &
- [40] FATS FOR LACTATING DAIRY-COWS SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE-SUID-AFRIKAANSE TYDSKRIF VIR VEEKUNDE, 1991, 21 (01): : 1 - 10