CastrationOrchiectomyTestosteroneAndrogensProstateDihydrotestosteroneSeminal VesiclesAndrogen AntagonistsReceptors, AndrogenSense of CoherenceFlutamideSocial IsolationAnxiety, CastrationClonixinCyproteroneTestisAnimal WelfareGonadotropin-Releasing HormoneEpididymisMolecular Sequence DataTosyl CompoundsNeoplasms, Hormone-DependentButorphanolEstradiolSense OrgansOrgan SizeHaptoglobinsAnesthesia, LocalReproductive IsolationDrug ImplantsPatient IsolationBase SequenceLuteinizing HormoneKetoprofenZeranolAndrogen Receptor AntagonistsCattleXylazineGonadal Steroid HormonesAmino Acid SequenceRNA, MessengerOvariectomyHornsAnilidesSexual MaturationTime FactorsHydrocortisoneLeuprolideTestosterone PropionateScrotum5-alpha Reductase InhibitorsSex CharacteristicsRats, Inbred StrainsTrematodaAzasteroidsRandom AllocationSwineProstate-Specific AntigenHarderian GlandLidocaineAnesthesia, CaudalFinasterideFollicle Stimulating HormoneThiazinesCloning, MolecularRats, Sprague-DawleyBehavior, AnimalShrewsAnimal HusbandryAndrogen-Binding ProteinDiagnostic Techniques, RadioisotopeFeminizationGonadotropins, PituitaryPenisPituitary Hormone-Releasing HormonesAntineoplastic Agents, HormonalCulture MediaPituitary GlandCopulationEatingHormonesCyproterone AcetateSexual Behavior, AnimalRNA, AntisenseResorcinolsAnalgesiaGenitalia, MaleDNAEstrogensBuserelinAnimals, NewbornElectrophoresis, Polyacrylamide GelCell SeparationNitrilesMolecular WeightClusterinAgingSex FactorsMutationPolymerase Chain Reaction