alexa Effects of Almix Herbicide on Metabolic Enzymes in Different Tissues of Three Teleostean Fishes Anabas testudineus, Heteropneustes fossilis and Oreochromis niloticus


Toxicology: Open Access

Author(s): Palas Samanta, Sandipan Pal, Aloke Kumar Mukherjee, Tarakeshwar Senapati, Apurba Ratan Ghosh

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Three Indian freshwater teleostean fishes Anabas testudineus, Heteropneustes fossilis and Oreochromis niloticus were exposed to almix (66.67 mg/l) under laboratory condition for a period of 30 days to investigate the activity of transaminases [alanine aminotransferase (ALT), aspartate aminotransferase (AST)], and phosphatase [alkaline phosphatase (ALP)] in the gill, intestine, heart and muscle tissues. ALT levels showed significant elevation (p< 0.05) in all the fish tissues and highest activity (183.57%) was observed in gill of O. niloticus and lowest (122.01%) in muscle of O. niloticus. AST activity was also increased significantly (p< 0.05) in all test fishes. Highest AST activity (344.05%) was observed in heart of O. niloticus, while A. testudineus showed minimum activity (114.09%) in intestine. ALP activity increased significantly (p< 0.05) in all the fish species and was highest (289.02%) in intestine of H. fossilis and lowest (142.83%) in A. testudineus. Increased activity of these metabolic enzymes resulted into tissue damage which ultimately affected the fish health; it inferred the sensitivity of these enzymes to the almix herbicide toxicity in the order of O. niloticus > H. fossilis > A. testudineus. Therefore, assessment of these metabolic enzymes in tissue systems is important for evaluation of the herbicidal contamination like almix on fish species.

This article was published in International Journal of Scientific Research in Environmental Sciences and referenced in Toxicology: Open Access

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