CastrationOrchiectomyTestosteroneAndrogensProstateDihydrotestosteronePost and Core TechniqueSeminal VesiclesAndrogen AntagonistsReceptors, AndrogenFlutamideAnxiety, CastrationClonixinCyproteroneTestisAnimal WelfareGonadotropin-Releasing HormoneTosyl CompoundsEpididymisNeoplasms, Hormone-DependentButorphanolEstradiolOrgan SizeHaptoglobinsAnesthesia, LocalDrug ImplantsLuteinizing HormoneKetoprofenZeranolAndrogen Receptor AntagonistsXylazineGonadal Steroid HormonesOvariectomyHornsAnilidesSexual MaturationHydrocortisoneLeuprolideTestosterone PropionateScrotum5-alpha Reductase InhibitorsTrematodaAzasteroidsTime FactorsSex CharacteristicsRandom AllocationProstate-Specific AntigenLidocaineHarderian GlandRats, Inbred StrainsAnesthesia, CaudalFinasterideFollicle Stimulating HormoneThiazinesCattleShrewsDiagnostic Techniques, RadioisotopeAnimal HusbandryFeminizationGonadotropins, PituitaryPituitary Hormone-Releasing HormonesPenisAndrogen-Binding ProteinAntineoplastic Agents, HormonalRats, Sprague-DawleyEatingCyproterone AcetateCopulationAnalgesiaHormonesSwineBehavior, AnimalRNA, MessengerEstrogensPituitary GlandBuserelinResorcinolsGenitalia, MaleClusterinNitrilesPenile ErectionPhenylthiohydantoinAndrostane-3,17-diolDiethylstilbestrolTooth, NonvitalGoserelinBody WeightAnimals, NewbornAnesthetics, CombinedAndrostenolsSex FactorsPreoptic AreaPituitary Gland, AnteriorRats, WistarNeoplasm TransplantationProstatic Neoplasms, Castration-ResistantProstatic Secretory ProteinsAgingVeterinary MedicineWeight Gain