2.11% Pyrantel Tartrate in medicated pellets for daily feeding to prevent strongylus vulgaris larval infestation. Wormer controls large and small strongyles, pinworms and ascarids. Give on a continuous basis as a top dress or mixed in horse's daily ration. Give 0.5 oz per 250 lb body weight (2 oz per 1,000 lb horse). Safe for all horses including foals, mares and stallions. Key Features: Continuous dosing of pyrantel tartrate in the gastrointestinal tract, instead of a conventional program of deworming every 60 days that leaves horses open to reinfection Feed daily to prevent Strongylus vulgaris larval infestation in horses Controls a variety of large strongyles, small strongyles, pinworms, and ascarids Safe for use in pregnant mares and foals