Maduramicin (maduramycin) is an antiprotozoal agent used in veterinary medicine to prevent coccidiosis. It is a natural chemical compound first isolated from the actinomycete Actinomadura rubra. Maduramicin (maduramycin) is an antiprotozoal agent used in veterinary medicine to prevent coccidiosis. It is a natural chemical compound first isolated from the actinomycete Actinomadura rubra.