Interaction between different levels of salinity and exposure to chlorpyrifos on some serum & mucus biochemical indices of common carp (Cyprinus carpio)

Document Type : Research Paper

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Abstract

The aim of this study was to investigate the interaction of salinity levels on the characteristics of mucus and serum indices of common carp (Cyprinus carpio) in exposure to chlorpyrifos pesticide. 250 common carp with an average weight of 20 g were distributed in four treatments each with three repetitions including: salinity 0, salinity 4, 8 and 12 ppt and were distributed for 7 days. Then one group was placed for 4 days in exposure to pesticide with an acute concentration of 150 ppm and the second group was placed for 7 days in the with sub-acute concentration of 15 ppm. The results showed that salinity stress has lethal effects with severe and adverse physiological toxicity on common carp. The results of a study of mucus and serum biochemical indices showed that ALT enzyme had significant effect on serum ALT, serum and mucus lysosomes, serum albumin and serum glucose (P <0.05). Eventually it was shown that salinity and pesticide stress have a detrimental effect on vital activities, biochemical indices, liver enzymes and immune system of common carp.

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Iranian Scientific Fisheries Journal
Volume 29, Issue 3
September and October 2020
Pages 37-44

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