title: Control of periparturient rise in worm egg counts of lambing ewes.
mesh_terms: D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use; D005260:Female; D007743:Labor, Obstetric; D009349:Nematode Infections / Q000469:parasitology / Q000517:prevention & control / Q000662:veterinary*; D010270:Parasite Egg Count / Q000662:veterinary*; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology* / Q000517:prevention & control
chemical_list: D000871:Anthelmintics