Sperm TransportSperm CountFallopian TubesInsemination, ArtificialOviductsFertilizationIntestinal ObstructionAirway ObstructionOrnipressinGenitalia, FemaleEpididymisSperm MotilitySpermatozoaUreteral ObstructionSperm HeadUterine ContractionUterusFertilityOvulationSperm CapacitationBiological TransportBiological Transport, ActiveEstrusDuodenal ObstructionSheepUrinary Bladder Neck ObstructionUrethral ObstructionSperm MaturationNasal ObstructionGastric Outlet ObstructionAxonal TransportVentricular Outflow Obstruction