Abeer F. El-Nahas

INTRODUCTIONCoccidiosis, caused by protozoa of the genus Eimeria, is one of the most important parasitic diseases in chickens and is characterized by intestinal lesions, blood loss, body weight loss, a poor feed conversion ratio (FCR), increased susceptibility to other microorganisms and mortality1. Seven species of Eimeria that infect chickens cause hemorrhagic (E. tenella, E. necatrix and E. bru ...