title: Controlling horn fly (Diptera: Muscidae) in cow-calf herds with insecticide-impregnated ear tag treatments of nursing calves.
mesh_terms: D000818:Animals; D000833:Animals, Suckling / Q000469:parasitology; D002417:Cattle / Q000469:parasitology*; D004175:Diptera; D007306:Insecticides; D009570:Nitriles; D011722:Pyrethrins
chemical_list: D007306:Insecticides; D009570:Nitriles; D011722:Pyrethrins; C017690:fenvalerate