title: Preservation of bovine spermatozoa by freezing in straws: a review.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D002452:Cell Count; D002465:Cell Movement; D002713:Chlorine; D004349:Drug Packaging; D005060:Europe; D005069:Evaluation Studies as Topic; D005260:Female; D005298:Fertility; D005615:Freezing; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D008722:Methods; D009584:Nitrogen; D011142:Polyvinyl Alcohol; D011145:Polyvinyls; D012661:Semen / Q000502:physiology; D013094:Spermatozoa / Q000502:physiology; D013696:Temperature; D013997:Time Factors; D014021:Tissue Preservation / Q000295:instrumentation; D014481:United States
chemical_list: D011145:Polyvinyls; D002713:Chlorine; D011142:Polyvinyl Alcohol; D009584:Nitrogen