title: Species of gastro-intestinal helminths of lambs in Northern Ireland.
mesh_terms: D000818:Animals; D001196:Ascariasis / Q000453:epidemiology / Q000662:veterinary; D005767:Gastrointestinal Diseases / Q000453:epidemiology / Q000662:veterinary*; D006374:Helminthiasis, Animal; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000662:veterinary*; D009348:Nematoda / Q000302:isolation & purification; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary; D009660:Northern Ireland; D009814:Oesophagostomiasis / Q000453:epidemiology / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014252:Trichostrongyloidiasis / Q000453:epidemiology / Q000662:veterinary; D014257:Trichuriasis / Q000453:epidemiology / Q000662:veterinary