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Daily oral administration of melatonin from March onwards advances by 4 months the breeding season of ewes maintained under the ambient photoperiod at 57 °N

Animal PhysiologyTheriogenologyFertilityDaily Oral AdministrationAmbient PhotoperiodAnimal ScienceMarch Onwards AdvancesPhysiologyReproductive BiologyPublic HealthEndocrinologyMedicineAnimal BreedingMelatoninReproductive Endocrinology