CastrationOrchiectomyTestosteroneSwineAndrogensProstateDihydrotestosteroneAnimals, NewbornSeminal VesiclesSwine DiseasesAndrogen AntagonistsReceptors, AndrogenFlutamideAnxiety, CastrationSus scrofaAnimals, SucklingAnimal WelfareClonixinCyproteroneWeaningTestisColostrumAnimal HusbandryOrgan SizeGonadotropin-Releasing HormoneRandom AllocationTosyl CompoundsEpididymisNeoplasms, Hormone-DependentHaptoglobinsButorphanolEstradiolAnesthesia, LocalDrug ImplantsKetoprofenZeranolLuteinizing HormoneAnimal FeedAndrogen Receptor AntagonistsHydrocortisoneXylazineGonadal Steroid HormonesHornsOvariectomySexual MaturationAnilidesLeuprolideTestosterone PropionateScrotum5-alpha Reductase InhibitorsWeight GainTrematodaSex CharacteristicsAzasteroidsTime FactorsAnimal Nutritional Physiological PhenomenaEatingProstate-Specific AntigenBody WeightLitter SizeCattleThiazinesHarderian GlandBehavior, AnimalAnesthesia, CaudalFinasterideLidocaineRats, Inbred StrainsFollicle Stimulating HormoneShrewsDiagnostic Techniques, RadioisotopeFeminizationRNA, MessengerGastroenteritis, Transmissible, of SwineGonadotropins, PituitaryPituitary Hormone-Releasing HormonesAndrogen-Binding ProteinAntineoplastic Agents, HormonalPenisHormonesCyproterone AcetateBody TemperatureDiarrheaMilkAnalgesiaCopulationDietRats, Sprague-DawleyBuserelinResorcinolsHousing, AnimalGenitalia, MalePituitary GlandPregnancyEstrogensClusterinAgingLactationNitrilesVocalization, Animal