9Shirley,M W.Resarch on avian coccidia:an update[J].Br Vet J,1992,148(6):479-499.
10Allen P C,Fetterer R H.Recent advances in biology and immunobiology of Eimeria species and in diagnosis and control of infection with these-coccidian parasites of ooultry[J].Clini Microbiol Rev,2002,15(1):58-65.
