The recommended dose is 5 mg Fenbendazole per kg body weight in a one day treatment; at this rate, each 1.25 lb. pack will treat 1,250 lbs body weight. For ascarids, the recommended dosage is 10 mg Fenbendazole per kg body weight; at this rate, each 1.25 lb. pack will treat 625 lbs. body weight. Feed for one day, spreading pellets evenly on top of one daily ration. Safe for pregnant mares, stallions and foals.