Assessment of Chlorpyrifos Pollution on Cichlidogyrus sp Infestation and the Oreochromis niloticus Immune Status
International Journal of Ecotoxicology and Ecobiology
Volume 2, Issue 1, March 2017, Pages: 8-15
Received: Nov. 23, 2016; Accepted: Dec. 7, 2016; Published: Jan. 10, 2017
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Zeinab M. El-Bouhy, Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt
Gamal El- Nobi A., Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt
Rasha M. Reda, Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt
Rowida E. Ibrahim, Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, Egypt
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One hundred and fifty O. niloticus (35±0.5g) were collected from Abbassa Fish Hatchery, Sharkia, Egypt to determine the changes in immune parameters (after 15 and 30 days) of Oreochromis niloticus exposed to Organophosphrous insecticide (Chlorpyrifos) and infested with Cichlidogyrus sp. In addition, this study was carried out to evaluate the effect of the Chlorpyrifos exposure on the intensity and vitality of Cichlidogyrus sp. Chlorpyrifos decreased significantly both parasitic intensity and vitality. Serum total proteins, albumin and globulin were significantly decreased in both infested group and infested ones with pesticide exposure. Serum IgM level was elevated in infested group after 15 days of the experiment and decreased after 30 days of the experiment. Serum lysozyme and nitric oxide were elevated in all experimental groups after 15 and 30 days of the experiment. While phagocytic % and Phagocytic index were significantly decreased in all experimental groups after 15 and 30 days of the experiment. The expression of IL-1β were significantly increased after 15 days of the experiment, while both infestation and Chlorpyrifos exposure showed no significant differences after 30 days. In conclusion, infection with Cichlidogyrus sp. in fish exposed to Chlorpyrifos pollution had the highest drastic effect on the health and immune status of fish.
Chlorpyrifos, Oreochromis niloticus, Immune Response, Cichlidogyrus sp
To cite this article
Zeinab M. El-Bouhy, Gamal El- Nobi A., Rasha M. Reda, Rowida E. Ibrahim, Assessment of Chlorpyrifos Pollution on Cichlidogyrus sp Infestation and the Oreochromis niloticus Immune Status, International Journal of Ecotoxicology and Ecobiology. Vol. 2, No. 1, 2017, pp. 8-15. doi: 10.11648/j.ijee.20170201.12
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