chlorpyrifos, an organophosphate pesticide, is widely used to control pests in agriculture farms and orchards of fruit trees. in this study, the fish were exposed to sub-lethal concentrations of chlorpyrifos which were determined based on numerical value of 96 h lc 50 . blood was sampled after 10, 20 and 30 days and biochemical parameters including glucose, total protein, albumin, globulin, tri...