CastrationOrchiectomyTestosteroneAndrogensProstateDihydrotestosteroneSeminal VesiclesWorkAndrogen AntagonistsReceptors, AndrogenFlutamideAnxiety, CastrationClonixinCyproteroneTestisAnimal WelfareGonadotropin-Releasing HormoneEpididymisTosyl CompoundsNeoplasms, Hormone-DependentButorphanolEstradiolOrgan SizeHaptoglobinsTime FactorsDrug ImplantsAnesthesia, LocalKetoprofenLuteinizing HormoneZeranolGonadal Steroid HormonesAndrogen Receptor AntagonistsXylazineOvariectomyHornsHydrocortisoneAnilidesSexual MaturationSex CharacteristicsLeuprolideScrotumTestosterone PropionateTrematoda5-alpha Reductase InhibitorsCattleAzasteroidsRandom AllocationRNA, MessengerProstate-Specific AntigenRats, Inbred StrainsLidocaineHarderian GlandAnesthesia, CaudalFinasterideBehavior, AnimalFollicle Stimulating HormoneRats, Sprague-DawleySwineAnimal HusbandryThiazinesWork Schedule ToleranceEatingShrewsAgingWork Capacity EvaluationMolecular Sequence DataFeminizationDiagnostic Techniques, RadioisotopeHormonesGonadotropins, PituitaryPenisPituitary Hormone-Releasing HormonesAndrogen-Binding ProteinAntineoplastic Agents, HormonalSex FactorsBody WeightCyproterone AcetateAnalgesiaDisease Models, AnimalReturn to WorkEstrogensMice, Inbred C57BLCopulationPituitary GlandGenitalia, MaleModels, BiologicalRats, WistarBuserelinResorcinolsAnimals, NewbornNitrilesClusterinApoptosisDiethylstilbestrolImmunohistochemistryCell Line, TumorPenile ErectionPhenylthiohydantoinAndrostane-3,17-diolAnalysis of Variance