Effect of Water Pollution on Physiological and Histological alterations of African catfish, Clarias gariepinus from Nile Delta

1
Ali A. Al-Halani
Ali A. Al-Halani
2
Ahmed E. Hagras
Ahmed E. Hagras
3
Sherif H. Abdeen
Sherif H. Abdeen
4
Abeer E. Abdrabbuh
Abeer E. Abdrabbuh
5
Mohamed I. Mashaly
Mohamed I. Mashaly
1 Hajjah University, Yemen

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The present study aimed to assess the effect of water pollution on physiological and histological alterations of African catfish, Clarias gariepinus collected from spring 2015 to winter 2016, in two differingquality aquatic ecosystems in Nile Delta, Egypt, namely Damietta Branch of River Nile and Ammar Drain. Results showed significant differences (p≤0.001) in all estimated physicochemical environmental factors in study areas. In addition, the results showed that the bad water quality in Ammar Drain due to pollution, the vast majority of the hematological parameters recorded lower levels in Ammar Drain than in River Nile. Because Ammar Drain receives greater agricultural, industrial and domestic wastes than the second one. Antioxidant enzyme activities were lower in fish from the contaminated site compared with fish from the reference site, suggesting a deficiency of the antioxidant system to overcome the oxidative stress. Lesions of histological deformations (skin, muscles, and gonads) were detected and analyzed to clarify the effect of water pollution on fish organs. The present study recommended treatment of the waste before being discharged into the waterways.

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No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

Ali A. Al-Halani. 2018. \u201cEffect of Water Pollution on Physiological and Histological alterations of African catfish, Clarias gariepinus from Nile Delta\u201d. Global Journal of Science Frontier Research - H: Environment & Environmental geology GJSFR-H Volume 18 (GJSFR Volume 18 Issue H3): .

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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-H Classification: FOR Code: 899899
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v1.2

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November 2, 2018

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English

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The present study aimed to assess the effect of water pollution on physiological and histological alterations of African catfish, Clarias gariepinus collected from spring 2015 to winter 2016, in two differingquality aquatic ecosystems in Nile Delta, Egypt, namely Damietta Branch of River Nile and Ammar Drain. Results showed significant differences (p≤0.001) in all estimated physicochemical environmental factors in study areas. In addition, the results showed that the bad water quality in Ammar Drain due to pollution, the vast majority of the hematological parameters recorded lower levels in Ammar Drain than in River Nile. Because Ammar Drain receives greater agricultural, industrial and domestic wastes than the second one. Antioxidant enzyme activities were lower in fish from the contaminated site compared with fish from the reference site, suggesting a deficiency of the antioxidant system to overcome the oxidative stress. Lesions of histological deformations (skin, muscles, and gonads) were detected and analyzed to clarify the effect of water pollution on fish organs. The present study recommended treatment of the waste before being discharged into the waterways.

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Effect of Water Pollution on Physiological and Histological alterations of African catfish, Clarias gariepinus from Nile Delta

Ali A. Al-Halani
Ali A. Al-Halani Hajjah University, Yemen
Ahmed E. Hagras
Ahmed E. Hagras
Sherif H. Abdeen
Sherif H. Abdeen
Abeer E. Abdrabbuh
Abeer E. Abdrabbuh
Mohamed I. Mashaly
Mohamed I. Mashaly

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