The Chronic Exposure to Discharges of Sabal Drain Induces Oxidative Stress and Histopathological Alterations in Oreochromis niloticus

Bulletin of Environmental Contamination and Toxicology
Amr A Abdel-KhalekMohamed-Assem Saed Marie

Abstract

To study whether the effluents of Sabal drain could affect the health status of Oreochromis niloticus; site2 (south part of main canal), site3 (at the canal outlet), site4 (north part of main canal) and site1 (reference site) were selected. Compared to the reference fish, activities of superoxide dismutase and glutathione peroxidase in addition to glutathione reduced and thiobarbituric acid reactive substances concentrations of the gills showed significant (p < 0.05) increase with different levels in all studied sites. Whereas, catalase activities revealed significant (p < 0.05) decrease in all studied sites with maximum decrease in site3. The recorded histopathological lesions were correlated with the distance from discharge point. Gills, liver and kidney of site3 had the worst histopathological conditions based on the frequency of alterations appearance and size of the affected areas. While, the regressive alterations that recorded in site2 and site4 suggest the onset of adaptive histological mechanisms.

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Citations

May 10, 2020·Environmental Science and Pollution Research International·Amr Adel Abdel-KhalekKhalid H Zaghloul
Apr 3, 2019·Bulletin of Environmental Contamination and Toxicology·Suelen Rosana Sampaio de OliveiraRaimunda Nonata Fortes Carvalho Neta
Apr 26, 2020·Bulletin of Environmental Contamination and Toxicology·Amr Adel Abdel-KhalekKareem Morsy
Feb 28, 2021·Environmental Science and Pollution Research International·Amr Adel Abdel-KhalekWafaa S F Hasheesh
Mar 21, 2021·Bulletin of Environmental Contamination and Toxicology·Ehab MassoudAmr Adel Abdel-Khalek
Jun 30, 2021·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Marwa E El-Sesy, Sabah S Ibrahim
Aug 1, 2021·Bulletin of Environmental Contamination and Toxicology·Amr Adel Abdel-KhalekRewaida Abdel-Gaber
Nov 20, 2021·Bulletin of Environmental Contamination and Toxicology·Amr Adel Abdel-KhalekRewaida Abdel-Gaber

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