ANALYSIS OF THE OXIDATIVE INDICES AND HISTOPATHOLOGICAL IMPACT OF AN ACUTE DOSE OF COMMERCIAL MONOCROTOPHOS ON CHANNA PUNCTATUS (BLOCH) FISH.

Autor: Singh, Mukesh Kumar, Panday, Rittika, Udit, Uday Kumar, Biswal, Auroshree, Gupta, Gyandeep, Kumar, Ajay, Singh, Ashish kumar, Sinha, Visakha, Kumar, Brajendu, Tripathi, Nirmala
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Zdroj: Journal of Experimental Zoology India; Jan2022, Vol. 25 Issue 1, p711-721, 11p
Abstrakt: Monocrotophos (MCP) insecticides are used worldwide for protecting crops against pests. It has been reported as a pollutant that possesses long-term effects on the freshwater ecosystem. In the ecosystem, fishes are more vulnerable to aquatic pollutants as they are in direct contact with the environment. The present study was carried out to evaluate the toxic effect of MCP in freshwater fish species Channa punctatus (Bloch) under in-vitro conditions. Fish were exposed to acute dose (96 hrs LC50 = 53.996 mg/L) for 96 h of MCP. Increased SOD activity was observed at 24 hrs; however, it was significantly high in gills and kidneys at 96 hrs and in the liver at 72 hrs compared to the control. Histopathological alterations were also observed viz. fused and swollen tips of secondary lamellae, epithelial necrosis in the tissue of gills, vacuolization, congested sinusoids and disintegration of the hepatocytic cell membrane was observed in tissue of the liver and glomerular destruction, vacuolization of the inner epithelial cell was observed in the kidney at 96 hrs of MCP exposure. Overall, we observed at the median-lethal concentration (LC50) of MCP in Channa punctatus not only induce the SOD activity, but also alters the tissue histology in the vital organs of Channa punctatus. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index