title: Epidemiological investigations of trichostrongylid infections in young cattle in different parts of Norway.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D002980:Climate; D009664:Norway; D010270:Parasite Egg Count / Q000662:veterinary; D012621:Seasons; D014252:Trichostrongyloidiasis / Q000453:epidemiology / Q000662:veterinary*