title: Sampling technique for estimating roundworm burdens of sheep and cattle.
mesh_terms: D000018:Abomasum / Q000473:pathology; D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use*; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D007421:Intestine, Small / Q000473:pathology; D008433:Mathematics; D008954:Models, Biological; D012494:Sampling Studies / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000188:drug therapy*; D014251:Trichostrongyloidea; D014252:Trichostrongyloidiasis / Q000188:drug therapy / Q000473:pathology / Q000662:veterinary*
chemical_list: D000871:Anthelmintics