Table 1.

Main Eimeria spp. infecting chickens with their relative site of infection and level of lesion severity (adapted from [4]).

Species	Site	Pathogenicity
E. acervulina	Upper small intestine	Medium
E. brunetti	Distal small intestine and colon	High
E. maxima	Mid small intestine	Medium
E. mitis	Upper small intestine	Low
E. necatrix	Mid small intestine	High
E. tenella	Ceca	High