Coccidiosis and necrotic enteritis in broilers: The simultaneous observation of both pathologies in field is very common. Usually, one of the two agents, Clostridium or Eimeria, causes damage to the mucosa that facilitates the multiplication of the other. In the image we can see a case a double infection by Clostridium perfringens and Eimeria maxima. It is recommended to review the anticoccidial program and the addition to feed of a natural microbicide based on cimenol ring, with the capacity to control intestinal pathogens.