PROCTBAT, Amprolium is an anti-coccidial drug with activity against Eimeria tenella, E. necatrix, and E.acervulina. Amprolium acts by interfering with thiamine metabolism in the parasite. Sulfaquinoxaline is a chemotherapeutic with bacteriostatic action against many gram-negative and gram-positive bacteria. Its coccidiostatic spectrum of activity includes Eimeria spp. (E.necatrix, E. maxima, E. acervulina, E. brunetti, etc.). Ethopabate used in the prophylaxis and treatment of coccidiosis in chickens. It is an arylamide containing one phenyl ring, belonging to monocyclic aromatics It has anticoccidial activity especially against intestinal forms and lacks activity against E. tenella of caecal worms.