Coccidiosis is the term used to describe an enteric disease caused by infection with one or more species of Eimeria and has a high economic impact on the poultry industry worldwide (2, The etiology of this intestinal disease are pathogenic Eimeria species that belong to the phylum Apicomplexa, in particular Eimeria maxima, E. tenella, and E. acervulina (1). Currently, seven species of Eimeria are known to infect chickens and differ in pathogenicity. However, other species have been described Differences between these Eimeria species include the invasion of specific sites of the intestine, pathogenicity and type of lesion produced.