Horse DiseasesGonadotropins, EquineOvulationEndometritisChemistry, AnalyticColicAbortion, VeterinaryMaf Transcription FactorsChorionic GonadotropinEstrusProgesteroneOvarian FollicleThecomaMoonProto-Oncogene Proteins c-mafOvarySuperovulationPregnancy, AnimalPregnancyAnestrusMafG Transcription Factor5-alpha-DihydroprogesteroneCorpus LuteumFatal OutcomeDiestrusAborted FetusLuteinizing HormoneEquilinMafK Transcription FactorEuthanasia, AnimalUterusFollicle Stimulating HormoneGranulosa Cell TumorGranulosa CellsFollicular FluidPituitary Hormone-Releasing HormonesSalivary Gland CalculiPlacenta DiseasesFollicular PhaseClitorisTrenbolone AcetateOvulation InductionOncogene Protein v-mafEstradiolLameness, AnimalPerissodactylaGonadotropinsPregnanedionesAwards and PrizesSulpirideFollicular AtresiaEstrous CycleSexual MaturationInsemination, ArtificialReceptors, Gonadotropin20-alpha-DihydroprogesteroneBasic-Leucine Zipper Transcription Factors3-Hydroxysteroid DehydrogenasesReceptors, LHFallopian TubesProstaglandins FOocytesSwineSeasonsHistocytochemistryRats, Inbred StrainsProlactinEndometriumEstrus SynchronizationDinoprostPortugalFertilityProgesterone CongenersOvariectomyTheca CellsInhibinsLuteal PhaseAromatasePostpartum PeriodMilkBody FluidsFetusTestosteroneLitter SizeRadioimmunoassayBreedingLactationFertilization in VitroEmbryo TransferFertilizationPituitary GlandEmbryonic and Fetal DevelopmentBrazilTime FactorsAnimals, NewbornRandom AllocationPlacentaGestational AgeEmbryo, MammalianImmunohistochemistry