title: The influence of anthelmintic treatment of ewes on the relative proportions of gastro-intestinal nematode parasites in their lambs.
mesh_terms: D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use*; D005260:Female; D005767:Gastrointestinal Diseases / Q000517:prevention & control / Q000662:veterinary*; D007814:Larva / Q000254:growth & development; D009349:Nematode Infections / Q000517:prevention & control / Q000662:veterinary*; D010270:Parasite Egg Count; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D006113:United Kingdom
chemical_list: D000871:Anthelmintics