title: Effect of freezing large numbers of straws of bovine spermatozoa in an automatic freezer on post-thaw motility and acrosomal retention.
mesh_terms: D000177:Acrosome / Q000648:ultrastructure*; D000818:Animals; D001331:Automation; D002417:Cattle; D008297:Male; D012662:Semen Preservation / Q000379:methods*; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology* / Q000648:ultrastructure*