title: Infertility in a bull-effect of vitamin A therapy on the semen picture.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D005298:Fertility; D005536:Foot-and-Mouth Disease / Q000150:complications; D007248:Infertility, Male / Q000188:drug therapy / Q000662:veterinary*; D008297:Male; D012661:Semen / Q000032:analysis; D013094:Spermatozoa / Q000187:drug effects; D014801:Vitamin A / Q000627:therapeutic use*
chemical_list: D014801:Vitamin A