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文献信息
Artificial InseminationSeminal QualityReproductive PerformancePregnancy RateReproductive EfficiencyDairy CowsVicugna PacosEgg YolkHypobaric ConditionsSperm MorphologySeminal Plasma ProteinsClinical EndometritisDairy Cattlethe CASA Systemin Vitro FertilizationEstrus SynchronizationReproductive ParametersPercoll GradientSemen CollectionRooster Spermatozoa