The Effect of Diazinon on Blood Factors of Rainbow Trout (Oncorhynchus mykiss)

Pesticide diazinon (60 percent of the commercial emulsion) including pesticides are widely used in agricultural areas. In many cases the use of these toxins can cause severe side effects in organisms such as fish، diazinon is also an organic phosphorus pesticides، In recent years، concerns about the health effects of this compound on fish increased. In this study، the influence of 0. 07، 0. 08، 0. 1، 0. 13 and 0. 16 mg of DZ on blood factors rainbow trout (Oncorhynchus mykiss)، has been investigated. a significant increase in the number of white blood cells and neutrophils (p< 0. 05) observed Increased levels of MCH and MCV may be due to a direct effect of toxins on hematopoietic tissues، kidney and spleen، but the exact mechanism is unclear. Activity significantly decreased plasma albumin p< 0. 05). Diazinon treated fish blood glucose levels were significantly greater in the control group of fish during the test period.