EjaculationSperm CountSemenSpermatozoaSperm MotilitySperm HeadSemen PreservationSperm CapacitationInfertility, MaleSemen AnalysisSexual Behavior, AnimalFertilityGryllidaeAcrosomeOligospermiaCryopreservationSperm MaturationSperm TransportTestisFertilizationSperm-Ovum InteractionsInsemination, ArtificialSperm MidpieceSperm Injections, IntracytoplasmicAcinonyxEpididymisCopulationAsthenozoospermiaVasectomyAntelopesMating Preference, AnimalSeminal Vesicle Secretory ProteinsSeminal Plasma ProteinsMasturbationEjaculatory DuctsReproductionSeminal VesiclesGenitalia, MaleAnimals, ZooSpermatogenesisSperm BanksScrotumCarnivoraAzoospermiaSperm AgglutinationPoeciliaCompetitive BehaviorSperm RetrievalHEPESGenitalia, FemaleCryoprotective AgentsZona PellucidaAndrologyInseminationInsemination, Artificial, HomologousTestosteroneGenes, Y-LinkedProtaminesBottle-Nosed DolphinPregnancyAcrosome ReactionSperm WhaleFreezingPregnancy RateSpecimen HandlingSexual AbstinenceBeetlesSpermatidsLibidoKlinefelter SyndromeEgg YolkY ChromosomeSex RatioEndangered SpeciesSwineAntlersGenital Diseases, MaleOocytesOvumUrsidaeCattleElephantsDNA FragmentationSeminiferous TubulesFertilization in VitroSexual MaturationTime FactorsMicroinjectionsSperm TailSelection, GeneticBiological EvolutionSea UrchinsOrgan SizeFollicle Stimulating HormoneHorsesVas DeferensCentrifugationPregnancy OutcomeChromatinEgg Proteins