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.