Surgery, VeterinaryCastrationOrchiectomyTestosteroneAndrogensProstateDihydrotestosteroneSeminal VesiclesWorkAndrogen AntagonistsReceptors, AndrogenFlutamideAnxiety, CastrationClonixinCyproteroneAnimal WelfareTestisGonadotropin-Releasing HormoneEpididymisTosyl CompoundsXylazineButorphanolNeoplasms, Hormone-DependentEstradiolHaptoglobinsOrgan SizeLuteinizing HormoneDrug ImplantsAnesthesia, LocalKetoprofenZeranolAndrogen Receptor AntagonistsGonadal Steroid HormonesOvariectomyHornsHydrocortisoneEquidaeAnilidesRandom AllocationTime FactorsSexual MaturationAfrican horse sickness virusLeuprolideTrematodaTestosterone PropionateAnimal HusbandryScrotum5-alpha Reductase InhibitorsCattleSex CharacteristicsAzasteroidsLameness, AnimalProstate-Specific AntigenLidocaineRats, Inbred StrainsFollicle Stimulating HormoneHarderian GlandAnesthesia, CaudalFinasterideThiazinesColicWork Schedule ToleranceRNA, MessengerWork Capacity EvaluationEatingBehavior, AnimalShrewsPenisDiagnostic Techniques, RadioisotopeGuaifenesinFeminizationGonadotropins, PituitaryPituitary Hormone-Releasing HormonesAndrogen-Binding ProteinAntineoplastic Agents, HormonalRats, Sprague-DawleyVeterinary MedicineHormonesReturn to WorkCyproterone AcetateCopulationAnalgesiaPituitary GlandSwineEstrogensBody WeightGenitalia, MaleBuserelinEquine Infectious AnemiaResorcinolsHoof and ClawPerissodactylaSex FactorsAnimals, NewbornAgingClusterinNitrilesAnesthetics, Combined