Haematological studies on freshwater Tilapia treated with ZnO nanoparticles

Abstract

Our study was framed to evaluate the acute toxicity, behavioural and heametalogical effects of ZnO NPs on freshwater fish Oreochromis mossambicus. ZnO NPs characterized by FTIR and UV Spectroscopy. Various behaviour patterns were studied in 30, 50 and 70ppm ZnO NPs concentration. The actue toxicity (96hrs LC₅₀) of ZnO NPs was observed between 100-110ppm. Significantly decreased number of Total Red cell count (RBC), haemaglobin (Hb), Haematocrit (Ht) reflects changes in red blood indicies such as MCV, MCH, MCHC and oxygen carrying capacity. Decreased leucocytes and differential count differences observred in ZnO NPs exposed groups. As a novel attempt, our study showed the impact of ZnO nanoparticles in Acute toxicity and Haematological parameters of freshwater fish O. mossambicus.