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- [22] EXPERIENCE WITH PROGESTERONE ASSAY IN MILK AS EARLY-PREGNANCY TEST IN CATTLE DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT, 1977, 84 (06): : 216 - 219
- [24] RESULTS OF THE SURVEILLANCE OF THE EARLY-PREGNANCY OF LACTATING MARES THROUGH THE REGULAR CONTROL OF THE MILK PROGESTERONE LEVEL ZUCHTHYGIENE-REPRODUCTION IN DOMESTIC ANIMALS, 1982, 17 (03): : 128 - 128
- [25] RADIOIMMUNOASSAY OF PROGESTERON IN MILK FOR EARLY-PREGNANCY DIAGNOSIS IN CATTLE SCHWEIZER ARCHIV FUR TIERHEILKUNDE, 1979, 121 (08): : 381 - 386
- [28] PROGESTERONE DETERMINATION IN MARES AS A SUBSTITUTE FOR RECTAL EARLY-PREGNANCY DIAGNOSIS ZUCHTHYGIENE-REPRODUCTION IN DOMESTIC ANIMALS, 1980, 15 (02): : 75 - 75
- [30] DIURNAL-VARIATION OF PROGESTERONE LEVELS IN MILK AND MILK-FAT OF CROSSBRED COWS DURING THE ESTROUS-CYCLE AND EARLY-PREGNANCY ANIMAL PRODUCTION, 1980, 31 (OCT): : 127 - 131