CastrationOrchiectomySpermatic Cord TorsionCryptorchidismTestisTesticular DiseasesTestosteroneTesticular NeoplasmsScrotumOrchitisOrchiopexyVaricoceleAndrogensEpididymitisLithiasisTesticular HydroceleEpididymisInfertility, MaleProstateDihydrotestosteroneSpermatogenesisAzoospermiaOligospermiaOrgan SizeSperm MaturationHernia, InguinalSeminal VesiclesAndrogen AntagonistsSperm CountReceptors, AndrogenHoloenzymesFlutamideAnxiety, CastrationTime FactorsSpermatozoaSpermatidsSperm MotilityClonixinCyproteroneSwineAnimal WelfareGonadotropin-Releasing HormoneRats, WistarTosyl CompoundsAnesthesia, LocalNeoplasms, Hormone-DependentButorphanolEstradiolDrug ImplantsHaptoglobinsKetoprofenPregnancyLuteinizing HormoneZeranolXylazineAndrogen Receptor AntagonistsOvariectomyGonadal Steroid HormonesHornsAnilidesSexual MaturationHydrocortisoneLeuprolideTestosterone Propionate5-alpha Reductase InhibitorsTreatment OutcomeTrematodaRandom AllocationLidocaineSex CharacteristicsProspective StudiesAzasteroidsCattleRats, Inbred StrainsProstate-Specific AntigenAnesthesia, CaudalHarderian GlandFinasterideFollicle Stimulating HormoneThiazinesSurgical Procedures, OperativeAnimal HusbandryAnalgesiaPenisBehavior, AnimalShrewsSurgical Procedures, Minimally InvasiveMagnetic Resonance ImagingDiagnostic Techniques, RadioisotopeRats, Sprague-DawleyFeminizationRNA, MessengerRetrospective StudiesGonadotropins, PituitaryPituitary Hormone-Releasing HormonesAntineoplastic Agents, HormonalAndrogen-Binding ProteinEatingHormonesCyproterone Acetate