Incidenza e fertilità dei calori con doppie ovulazioni nella bufala mediterranea allevata in Italia

Authors report the double ovulation incidence for 324 spontaneous and 218 alfaprostol induced heats. Double ovulation incidence increase with the thermal excursion and don't facilitate the chose of instrumental insemination better moment. Double ovulation influence negatively the pregnancy diagnosis reliability, 19-22 days after insemination, by milk progesterone assay. The respective uterine horn of second ovulation was found pregnant, for spontaneous but not for induced heats. The interval between the two ovulations was longer for spontaneous than for induced heats (36hrs vs 21hrs).