In the study, zinc oxide nanoparticles (ZNOPs) at concentrations of 20, 40, and 60 mg/kg were tested for their antimicrobial action against oocysts Eimeria tenella. The E. tenella isolated from feces broilers received veterinary hospital in Diwaniyah Province initially diagnosed by compound optical microscopy. confirmed molecularly polymerase chain reaction targeting ITS1 gene with a molecular ...