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Original Research (Original Article) 


Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku

Mohamed Mourad, Mahmoud Tanekhy, Ekbal. Wassif, Hanem Abdel-Tawab, Afaf Mohamed.

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  • Abstract
    The main objective of this study is to assess some biochemical and histopathological changes in Nile Tilapia, Oreochromis niloticus caught from Lake of Edku. A decrease in serum total protein, albumin, total lipids, bactericidal activity, ALT and AST were observed in El-Maadyah and Edku drain regions compared to recovery group, while the level of serum glucose and lysozyme activity were increased. The frequencies of micronucleus (MN) and nuclear abnormalities (NAs) in fish erythrocytes showed an increase of micronuclei, lobed nuclei and fragmented apoptotic nuclei while notched nuclei were decreased. Finally, the frequencies of morphologically altered erythrocytes (MAEs) of fish showed an increase in swelled cells, vacuolated cytoplasm; microcytes; echinocytes; tear-drop like; sickle cells; nuclear retraction and hemolyzed cells while fused cells were decreased. On the other hand, the main prominent hepatic lesions were parasitic granuloma, encapsulated cysts by connective tissue, fatty degeneration, congestion and necrosis. The histopathological analysis of muscle sections of both polluted sites showed edema, splitting of muscle fibers, hyalinized muscle fibers, fatty tissue, necrosis and infiltration of lymphocytes. From the above, we can conclude that the contaminated environment of fish could cause detrimental effects on fish tissues and immune system causing great economic losses for the natural resources.

    Key words: : Biochemical; Histopathology; Nile Tilapia, Oreochromis niloticus; Lake of Edku


     
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    Pubmed Style

    Mourad M, Tanekhy M, Wassif E, Abdel-Tawab H, Mohamed A. Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. AJVS. 2017; 55(2): 40-51. doi:10.5455/ajvs.276968


    Web Style

    Mourad M, Tanekhy M, Wassif E, Abdel-Tawab H, Mohamed A. Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. http://www.alexjvs.com/?mno=276968 [Access: September 19, 2018]. doi:10.5455/ajvs.276968


    AMA (American Medical Association) Style

    Mourad M, Tanekhy M, Wassif E, Abdel-Tawab H, Mohamed A. Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. AJVS. 2017; 55(2): 40-51. doi:10.5455/ajvs.276968



    Vancouver/ICMJE Style

    Mourad M, Tanekhy M, Wassif E, Abdel-Tawab H, Mohamed A. Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. AJVS. (2017), [cited September 19, 2018]; 55(2): 40-51. doi:10.5455/ajvs.276968



    Harvard Style

    Mourad, M., Tanekhy, M., Wassif, E., Abdel-Tawab, H. & Mohamed, A. (2017) Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. AJVS, 55 (2), 40-51. doi:10.5455/ajvs.276968



    Turabian Style

    Mourad, Mohamed, Mahmoud Tanekhy, Ekbal. Wassif, Hanem Abdel-Tawab, and Afaf Mohamed. 2017. Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. Alexandria Journal of Veterinary Sciences, 55 (2), 40-51. doi:10.5455/ajvs.276968



    Chicago Style

    Mourad, Mohamed, Mahmoud Tanekhy, Ekbal. Wassif, Hanem Abdel-Tawab, and Afaf Mohamed. "Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku." Alexandria Journal of Veterinary Sciences 55 (2017), 40-51. doi:10.5455/ajvs.276968



    MLA (The Modern Language Association) Style

    Mourad, Mohamed, Mahmoud Tanekhy, Ekbal. Wassif, Hanem Abdel-Tawab, and Afaf Mohamed. "Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku." Alexandria Journal of Veterinary Sciences 55.2 (2017), 40-51. Print. doi:10.5455/ajvs.276968



    APA (American Psychological Association) Style

    Mourad, M., Tanekhy, M., Wassif, E., Abdel-Tawab, H. & Mohamed, A. (2017) Biochemical and Histopathological Changes in Nile Tilapia, Oreochromis niloticus at Lake Edku. Alexandria Journal of Veterinary Sciences, 55 (2), 40-51. doi:10.5455/ajvs.276968





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