共 50 条
- [1] PROGESTERONE CONCENTRATION IN DEFATTED MILK OF DAIRY-COWS IN EARLY-PREGNANCY BRITISH VETERINARY JOURNAL, 1992, 148 (01): : 45 - 53
- [3] EARLY-PREGNANCY DIAGNOSIS IN THE DAIRY-COWS AND EWES BASED ON MILK PROGESTERONE LEVELS INDIAN JOURNAL OF ANIMAL SCIENCES, 1984, 54 (08): : 755 - 756
- [6] A FIELD-STUDY ON THE USEFULNESS OF MILK PROGESTERONE DETERMINATION TO CONFIRM ESTRUS AND PREGNANCY OF DAIRY-COWS IN THE FRASER VALLEY AREA OF BRITISH-COLUMBIA CANADIAN VETERINARY JOURNAL-REVUE VETERINAIRE CANADIENNE, 1993, 34 (06): : 349 - 352
- [7] EPIDEMIOLOGY OF FERTILITY PROBLEMS IN DAIRY-COWS IN CONNECTION WITH HERD MANAGEMENT AND ARTIFICIAL-INSEMINATION WIENER TIERARZTLICHE MONATSSCHRIFT, 1992, 79 (11): : 355 - 358
- [10] ULTRASONIC VISUALIZATION OF THE CONCEPTUS DURING EARLY-PREGNANCY OF DAIRY-COWS ACTA VETERINARIA-BEOGRAD, 1993, 43 (04): : 233 - 238