Corid Crumbles contains amprolium for use as an aid in the prevention and treatment of coccidiosis in cattle. Can be mixed in the ration or top dressed. Prevention: feed 0.1 lb. for each 250 lb. of body weight. It should be fed daily for 21 days during period of exposure or when experience indicates that coccidiosis is likely to be a hazard. For treatment feed 0.2 lb. per 250 lb. body weight daily for 5 days. Use on a herd basis.