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Effects of bifenthrin on some haematological, biochemical and histopathological parameters of common carp (Cyprinus
J Velisek1, Z Svobodova, J Machova
1Research Institute of Fish Culture and Hydrobiology Vodnany, University of South Bohemia Ceske Budejovice, Zatisi 728/II, 389 25 Vodnany, Czech Republic. velisek@vurh.jcu.cz
Abstract:
The aim of this study was to assess the effect of bifenthrin on common carp (Cyprinus carpio L.). The 96-h LC50 value of Talstar EC 10 (active substance 100 g l(-1) bifenthrin) was found to be 57.5 microg l(-1). Examination of haematological and biochemical profiles and histological tissue examination was performed on common carp after 96 h of exposure to Talstar EC 10 (57.5 microg l(-1)). The experimental group showed significantly higher (P < 0.01) values of plasma glucose, ammonia, aspartate aminotransferase and creatine kinase as well as the relative and absolute monocyte count, compared with the control group. Histological examination revealed teleangioectasiae of secondary gill lamellae and degeneration of hepatocytes. The bifenthrin-based Talstar EC 10 pesticide preparation was classified as a substance strongly toxic for fish.
