Eimeria tenella: Interleukin 17 contributes to host immunopathology in the gut during experimental infection

► Provide data of dynamic change of Th17-related cytokines during E. tenella infection. ► Reduced fecal oocysts shedding was observed in IL-17 neutralized chicken. ► Enhanced body weight gain was observed in IL-17 neutralized chicken. ► Neutrophils recruitment was diminished in IL-17 neutralized chicken. ► Augmented IFN-γ and IL-12 was shown in IL-17 neutralized chicken.