SemenSemen AnalysisSperm MotilitySperm CountSemen PreservationSpermatozoaInfertility, MaleEjaculationChromomycin A3AsthenozoospermiaCryopreservationInsemination, ArtificialOligospermiaFertilitySperm BanksSperm RetrievalSperm HeadInsemination, Artificial, HeterologousVasectomyCervix MucusVaricoceleCryoprotective AgentsSperm-Ovum InteractionsDNA FragmentationPovidoneSexual AbstinenceGenital Diseases, MaleReproductive TechniquesFertilization in VitroInsemination, Artificial, HomologousAcrosomeProtaminesTestisSperm Injections, IntracytoplasmicSperm CapacitationSperm AgglutinationSpermatogenesisGenitalia, MaleSpecimen HandlingSperm TailArterivirus InfectionsPregnancyAcrosinReproductive Techniques, AssistedAcridine OrangePregnancy RateSeminal VesiclesFertilizationInfertilityAcrosome ReactionFreezingEpididymisTestosteroneChromatinCattleAneuploidyChromosomes, Human, YZona PellucidaCentrifugation, Density GradientIn Situ Hybridization, FluorescenceHorsesSilicon DioxideTissue DonorsDenmarkCell SeparationColoring AgentsSwineAndrologyReference ValuesPolymerase Chain ReactionFlow CytometryIn Situ Nick-End LabelingTime FactorsSeminal Vesicle Secretory ProteinsFollicle Stimulating HormoneMasturbation