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Toxic Effect of Insecticides Mixtures on Antioxidant Enzymes in Different Organs of Fish, Labeo rohita

Toxic Effect of Insecticides Mixtures on Antioxidant Enzymes in Different Organs of Fish, Labeo rohita

Huma Naz1,*, Sajid Abdullah2, Khalid Abbas2, Wardah Hassan3, Moazama Batool4, Shakeela Perveen5, Sadia Maalik4 and Sajida Mushtaq4

1Department of Zoology, Cholistan University of Veterinary and Animal Sciences, Bahawalpur 
2Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad
3Department of Zoology, University of Sargodha, Sargodha
4Department of Zoology, Govt. College Women University, Sialkot
5Department of Zoology, Govt. Sadiq College Women University, Bahawlpur

*      Corresponding author: dr.humanaz98@gmail.com

 

ABSTRACT

In this study insecticides toxic effects of mixture of organochlorine (endosulfan) and organophosphate (chlorpyrifos) investigated on the activity of antioxidant enzymes viz. superoxide dismutase, peroxidase, catalase and glutathione S-transferase in different organs (liver, gills, kidney, brain, heart and muscle) of fish, Labeo rohita. The LC50 of chlorpyrifos+endosulfan mixture was calculated as 1.95±0.02 μgL-1 for 96 h with the 95% confidence limits. The fish expose to the mixture (1:1) for 96-h. The results obtained from this study showed that superoxide dismutase, peroxidase and glutathione S-transferase activities in the liver, gills, kidney, brain, heart and muscle were significantly (P<0.05) increased compared to control. The superoxide dismutase activity in organs of fish followed the order: liver>brain>kidney>gills>heart>muscle. The mean peroxidase activity in L. rohita followed the pattern: liver>brain>gills>kidney>heart>muscle. The glutathione S-transferse activity followed the order: brain>muscle>liver>gills>kidney>heart. However, catalase activity was significantly (P<0.05) increased in liver, gills and kidney of pesticides mixture exposed L. rohita as compared to control while it was decreased in brain, heart and muscle.
 

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Pakistan Journal of Zoology

June

Vol. 51, Iss. 3, Pages 801-1202

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