CastrationSex FactorsOrchiectomyRetrospective StudiesTestosteroneAndrogensDihydrotestosteroneProstateSeminal VesiclesAndrogen AntagonistsReceptors, AndrogenFlutamideAnxiety, CastrationSex CharacteristicsClonixinCyproteroneTestisEstradiolOvariectomyGonadotropin-Releasing HormoneAnimal WelfareSexual Behavior, AnimalGenitalia, FemaleOrgan SizeEpididymisTosyl CompoundsSexual MaturationGonadal Steroid HormonesLuteinizing HormoneNeoplasms, Hormone-DependentButorphanolDrug ImplantsHaptoglobinsAnesthesia, LocalCopulationKetoprofenZeranolHornsAndrogen Receptor AntagonistsXylazineTestosterone PropionateTime FactorsHydrocortisoneAnilidesLeuprolideScrotumReproduction5-alpha Reductase InhibitorsRandom AllocationTrematodaBody WeightRats, Inbred StrainsFollicle Stimulating HormoneEstrogensAzasteroidsRats, Sprague-DawleyHarderian GlandProstate-Specific AntigenBehavior, AnimalFinasterideLidocaineAnesthesia, CaudalFertilityGenitalia, MaleFeminizationThiazinesRNA, MessengerAgingPituitary GlandGonadotropins, PituitaryShrewsCattleOvaryAnimal HusbandryHormonesPituitary Hormone-Releasing HormonesPenisAnimals, NewbornDiagnostic Techniques, RadioisotopeAndrogen-Binding ProteinPreoptic AreaDiethylstilbestrolAntineoplastic Agents, HormonalCondoms, FemaleCyproterone AcetateSwineVocalization, AnimalAnalgesiaSex DifferentiationEatingRats, WistarAge FactorsResorcinolsBuserelinNitrilesClusterinPregnancyPituitary Gland, AnteriorMice, Inbred C57BLAndrostane-3,17-diol