共 50 条
- [31] STUDIES ON THE EFFECT OF SEASON OF CALVING ON MILK-YIELD, LACTATION LENGTH, DRY PERIOD AND CALVING INTERVAL OF LACTATING ONGOLE CROSSBRED COWS INDIAN VETERINARY JOURNAL, 1987, 64 (07): : 587 - 590
- [33] Effect of milk yield, number of calving and calving season on the resumption of postpartum ovarian activity in Holstein cows REVISTA CIENTIFICA-FACULTAD DE CIENCIAS VETERINARIAS, 2004, 14 (06): : 548 - 558
- [37] INFLUENCE OF AGE AT 1ST CALVING ON MILK-YIELD, LACTATION LENGTH AND CALVING INTERVAL IN GANGATIRI (MEDIUM-HARYANA) COWS INDIAN VETERINARY JOURNAL, 1982, 59 (05): : 368 - 374
- [38] Population Genetic Features of Calving Interval of Holstein-Friesian Cows Bred in Hungary ANIMALS, 2024, 14 (17):