title: Residual pasture larval infection and the spring rise as sources of Ostertagia circumcincta infection in lambs.
mesh_terms: D000383:Agriculture; D000818:Animals; D005243:Feces; D010270:Parasite Egg Count; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology*; D013827:Thiabendazole / Q000627:therapeutic use; D014252:Trichostrongyloidiasis / Q000453:epidemiology / Q000662:veterinary*
chemical_list: D013827:Thiabendazole