title: Ostertagiasis in suckler cows.
authors.forename: P G
authors.initials: PG
authors.lastname: Orpin
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology* / Q000469:parasitology; D004196:Disease Outbreaks / Q000662:veterinary*; D010029:Ostertagiasis / Q000453:epidemiology / Q000662:veterinary*; D006113:United Kingdom / Q000453:epidemiology