چکیده انگلیسی:
Objective(s): This study aimed to determine the possible toxicity of Cuo nanoparticles (NPs) on Oncorhynchus mykiss by evaluating hematological parameters. Materials and Methods: Fish were sampled and treated in 4 aquariums containing the concentration ranges of 1, 5, 20 and 100 ppm of CuO NPs. There was one control group (no CuO NPs) and three replicates. The physicochemical properties of water were as follows: the temperature was 22±2 Cº, oxygen saturation was 90.9±0.2%, pH was at 7±0.004 and the concentration of CaCO3 was 270. Results: No mortality was observed after 96 hours of exposure. The analysis of hematological parameters showed that CuO NPs affected the counts of white blood cells, lymphocytes, eosinophils, neutrophils, hematocrits, MCH, MCHC and MCV and did not have any effects on monocytes and hemoglobins. Conclusion: The data showed that the overall hardness (270 ppm) neutralized the lethal effect of copper on O. mykiss and no mortality was recorded.
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