Abstrcat The research was conducted by a single factor to investigate the effects of inoculation with E.tenella eggs on moisture in feces of broiler chickens. The results showed that the production performance of broiler chickens infected with E.tenella significantly had been effected (P0.05). The moisture in feces of broiler chickens without E.tenella is higher than broiler chickens without E.tenella. After inoculatiton 4 days the moisture in feces of broiler chickens with E.tenella increased. The study showes that the increasing moisture in reces of broiler with E.tenella is physilogical image of pathological change. At clinic moisture in feces of broiler had been considered one of references index of broiler chickens infected with E.tenella.