The research was conducted in April until June 2018 at the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine, University of Riau. The aim of this research was to understand the effect of turmeric flour (Curcuma domestica Val) in feed on total erythrocytes of Pangasius hypophthalmus and challenged Aeromonas hydrophila. The method used was an experimental method with a C…