Ovulation InductionOvarian FollicleGonadotropins, EquineOvaryProgesteroneEstrusLuteinizing HormoneChorionic GonadotropinOvulation InhibitionAnovulationFollicle Stimulating HormonePregnancySuperovulationCorpus LuteumEstradiolClomipheneLitter SizeInsemination, ArtificialFertility Agents, FemaleEstrus SynchronizationGonadotropin-Releasing HormoneFollicular PhaseGonadotropinsInfertility, FemaleFertilitySheepLuteal PhaseEstrus DetectionSexual MaturationGranulosa CellsEstrous CycleUterusDinoprostAnestrusMenstrual CycleBreedingProestrusPregnanediolPregnancy, AnimalTime FactorsPostpartum PeriodCattleProgesterone CongenersFollicular FluidFetal ViabilityPolycystic Ovary SyndromePregnancy RateReproductionCloprostenolFallopian TubesPituitary Hormone-Releasing HormonesTheca CellsOocytesInhibinsLuteolysisHorsesGonadotropins, PituitarySwineEmbryo ImplantationFollicular AtresiaAndrostenolsFertilization in VitroSperm TransportOvum TransportMenotropinsDiestrusFollicle Stimulating Hormone, HumanPseudopregnancyOvarian Hyperstimulation SyndromeLuteinizationDrug ImplantsLactationPregnenedionesEndometriumSexual Behavior, AnimalMarsupialiaPregnancy, MultipleEmbryo TransferProlactinBuserelinEmbryonic and Fetal DevelopmentHormonesAndrostenedioneHormone AntagonistsGonadal Steroid HormonesCorpus Luteum MaintenanceGrowth Differentiation Factor 9RadioimmunoassayOogenesisOvariectomyRandom AllocationFertility AgentsDrug Administration ScheduleTrenbolone AcetateShrewsSeasonsPituitary GlandTestosteroneAmenorrheaBone Morphogenetic Protein 15