Field procedure for counting gastrointestinal worms in sheep and cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis*; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000662:veterinary*; D007411:Intestinal Diseases, Parasitic / Q000175:diagnosis / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis*; D014252:Trichostrongyloidiasis / Q000175:diagnosis / Q000662:veterinary*