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Progesterone (CIDR)-based timed AI protocols using GnRH, porcine LH or estradiol cypionate for dairy heifers: Ovarian and endocrine responses and pregnancy rates

Animal ReproductionTheriogenologyAi ProtocolsFertilityAnimal ScienceReproductive HealthGynecologyPorcine LhDairy HeifersPublic HealthEndocrinologyMedicineOvarian HormoneReproductive HormoneReproductive Endocrinology