title: A second experiment with heterospermic insemination in cattle.
mesh_terms: D000818:Animals; D001789:Blood Group Antigens; D001947:Breeding; D002417:Cattle; D005298:Fertility; D005615:Freezing; D006651:Histocytochemistry; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D010334:Paternity; D013094:Spermatozoa
chemical_list: D001789:Blood Group Antigens