title: Parasitic worms in commercial free-range poultry flocks in England and Wales.
authors.affiliation: Scottish Agricultural College, Veterinary Science Division, Auchincruive, Ayr.
authors.forename: T W
authors.initials: TW
authors.lastname: Pennycott
authors.forename: F
authors.initials: F
authors.lastname: Steel
mesh_terms: D000822:Animal Husbandry; D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use; D004739:England / Q000453:epidemiology; D005243:Feces / Q000469:parasitology; D006374:Helminthiasis, Animal / Q000453:epidemiology*; D011200:Poultry / Q000469:parasitology*; D014852:Wales / Q000453:epidemiology
chemical_list: D000871:Anthelmintics