CastrationOrchiectomySurgical Procedures, OperativeTestosteroneAndrogensProstateDihydrotestosteroneSurgical Procedures, MinorPostoperative ComplicationsTreatment OutcomeSeminal VesiclesAndrogen AntagonistsReceptors, AndrogenTime FactorsRetrospective StudiesAmbulatory Surgical ProceduresFlutamideAnxiety, CastrationSurgical Procedures, Minimally InvasiveOral Surgical ProceduresVascular Surgical ProceduresCardiac Surgical ProceduresSurgical Procedures, ElectiveAnesthesia, LocalClonixinCyproteroneGynecologic Surgical ProceduresReconstructive Surgical ProceduresDigestive System Surgical ProceduresOtorhinolaryngologic Surgical ProceduresAnimal WelfareUrologic Surgical ProceduresObstetric Surgical ProceduresTestisOphthalmologic Surgical ProceduresThoracic Surgical ProceduresGonadotropin-Releasing HormoneEpididymisFollow-Up StudiesTosyl CompoundsCardiovascular Surgical ProceduresGeneral SurgeryPreoperative CareAnesthesiaNeoplasms, Hormone-DependentButorphanolEstradiolIntraoperative ComplicationsOrthopedic ProceduresDermatologic Surgical ProceduresOrgan SizeOvariectomyLaparoscopyReoperationNeurosurgical ProceduresProspective StudiesDrug ImplantsHaptoglobinsOperating RoomsKetoprofenLuteinizing HormoneZeranolPostoperative CareLidocaineRandom AllocationXylazineAndrogen Receptor AntagonistsOral Surgical Procedures, PreprostheticGonadal Steroid HormonesSurgical Wound InfectionHornsPostoperative PeriodAnilidesLength of StayAnalgesiaAnesthesia, CaudalSexual MaturationUltrasonic Surgical ProceduresSurgery Department, HospitalPain, PostoperativeIntraoperative CareHydrocortisoneScrotumLeuprolideTestosterone PropionateCattle5-alpha Reductase InhibitorsThoracotomyPulmonary Surgical ProceduresTomography, X-Ray ComputedTrematodaAnesthetics, LocalSwineSex CharacteristicsAzasteroidsSurgical EquipmentEndoscopyAnesthesia, GeneralRats, Inbred StrainsMonitoring, Intraoperative