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- [2] USE OF MILK PROGESTERONE MEASUREMENTS IN DIAGNOSIS AND TREATMENT OF SUBFERTILITY IN POSTPARTUM DAIRY-COWS [J]. ANIMAL PRODUCTION, 1976, 22 (FEB): : 140 - 141
- [9] DIAGNOSIS OF PREGNANCY IN DAIRY-COWS BASED ON THE PROGESTERONE CONTENT OF MILK .1. DISCRIMINATING BETWEEN PREGNANT AND NON-PREGNANT DAIRY-COWS ON THE BASIS OF MILK PROGESTERONE LEVELS [J]. SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE-SUID-AFRIKAANSE TYDSKRIF VIR VEEKUNDE, 1988, 18 (04): : 150 - 152