A survey of the prevalence of Hyostrongylus rubidus in breeding pigs slaughtered in North Wales.
D000003:Abattoirs; D000818:Animals; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014251:Trichostrongyloidea / Q000302:isolation & purification; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014852:Wales