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105952

Environmental and physiological impacts of heavy metals on Nile tilapia (Oreochromis niloticus)

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Last updated: 25 Dec 2024

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Abstract

The present study was conducted to investigate the distribution of selected metals (Fe, Zn, Cd, Pb, and Cu) in tissues of Nile Tilapia (Oreochromis niloticus) grown along El- Khadrawia drain – Mubark industrial Zone. The tissues analyzed included muscle and liver. Results showed metal concentrations in water followed a richness of: Fe> Zn> Cu> Pb >Cd mg/l (p < 0.05) while Fe> Cu > Zn > Pb > Cd mg/Kg dry wt. (p < 0.05) in muscles and liver tissues in winter season. Metal levels in muscles follow the level: Zn>Fe>Cu> Pb>Cd mg/Kg dry wt. (p < 0.05), while in liver they follow the level: Fe > Zn > Cu>Pb>Cd mg/Kg dry wt. (p < 0.05) in summer season. The presence of heavy metals led to significant decrease in nucleic acids (DNA & RNA) contents in liver tissue during summer season (p<0.05). So, the study showed that muscles of Nile Tilapia (Oreochromis niloticus) along El- Khadrawia drain are not safe from contamination with the metals investigated

DOI

10.21608/jbaar.2015.105952

Keywords

Heavy metals, Nile tilapia, Liver, muscle, DNA&RNA

Authors

First Name

M. F. F

Last Name

Bayomy,

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Affiliation

Zoology Department, Faculty of Science, Menoufiya University,Shebin El-kom, Egypt

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Orcid

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First Name

A. A.

Last Name

Alne-na-ei

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Affiliation

Zoology Department, Faculty of Science, Menoufiya University,Shebin El-kom, Egypt

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Orcid

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First Name

H. S.

Last Name

Gaber

MiddleName

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Affiliation

Professor in Pollution laboratory, National Institute of Oceanography and Fisheries, El- Kanater El-Khairyia

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Orcid

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First Name

D.M

Last Name

Khairy

MiddleName

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Affiliation

Professor in Pollution laboratory, National Institute of Oceanography and Fisheries, El- Kanater El-Khairyia

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City

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Orcid

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First Name

H. A

Last Name

Sayed

MiddleName

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Affiliation

Organic Department, Central Laboratory for Environmental Quality Monitoring, El- Kanater El-Khairyia, Egypt

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Volume

1

Article Issue

2

Related Issue

16035

Issue Date

2015-06-01

Receive Date

2015-05-05

Publish Date

2015-06-01

Page Start

52

Page End

58

Print ISSN

2356-9174

Online ISSN

2356-9182

Link

https://jbaar.journals.ekb.eg/article_105952.html

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https://jbaar.journals.ekb.eg/service?article_code=105952

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Publication Type

Journal

Publication Title

Journal of Bioscience and Applied Research

Publication Link

https://jbaar.journals.ekb.eg/

MainTitle

Environmental and physiological impacts of heavy metals on Nile tilapia (Oreochromis niloticus)

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Article

Created At

22 Jan 2023