Amprolium Hydrochloride is traditional coccidiostatic, and it's used in poultry feed to control coccidiosis. Amprolium Hydrochloride is very good against the hemorrhage-producing coccidia E. tenella and E. necatrix and it has some activity against E. maxima, amprolium hydrochloride is one of the most safety anti-coccidial drugs and be approved by FDA.