Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus
El-Bouhy, Z., El- Nobi, G., Reda, R., Ibrahim, R. (2016). Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus. EKB Journal Management System, 44(3), 196-204. doi: 10.21608/zvjz.2016.7872
Zeinab El-Bouhy; Gamal El- Nobi; Rasha M Reda; Rowida Ibrahim. "Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus". EKB Journal Management System, 44, 3, 2016, 196-204. doi: 10.21608/zvjz.2016.7872
El-Bouhy, Z., El- Nobi, G., Reda, R., Ibrahim, R. (2016). 'Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus', EKB Journal Management System, 44(3), pp. 196-204. doi: 10.21608/zvjz.2016.7872
El-Bouhy, Z., El- Nobi, G., Reda, R., Ibrahim, R. Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus. EKB Journal Management System, 2016; 44(3): 196-204. doi: 10.21608/zvjz.2016.7872

Effect of Insecticide "Chlorpyrifos" on Immune Response of Oreochromis niloticus

Zagazig Veterinary Journal
Article 2, Volume 44, Issue 3, December 2016, Page 196-204  XML PDF (945.68 K)
Document Type: Original Article
DOI: 10.21608/zvjz.2016.7872
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Authors
Zeinab El-Bouhy1; Gamal El- Nobi1; Rasha M Reda email orcid 2; Rowida Ibrahim1
1Fish Diseases and Management Department, Faculty of Veterinary Medicine, Zagazig University, 44511, Egypt
2Assistant professor of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University
Abstract
This study was carried out to determine the level of Chlorpyrifos (CPF), an organophosphorus insecticide, in water of Abbassa and Sahl El-Hussinia fish farms and investigate the sub lethal concentration of this pesticide on immune response of Oreochromis niloticus (O. niloticus). Water samples were collected from Abbassa and Sahl El-Hussinia fish farms and analyzed using Gas chromatograph (GC) for detection of Chlorpyrifos level. Two hundred and ninety O. niloticus with average body weight (35±0.5 g) were collected from Abbassa fish hatchery, Sharkia Governorate, Egypt. One hundred and seventy of these fish were used for the determination of acute toxicity of Chlorpyrifos, while, another 120 fish were used for the determination of the effect of different sub lethal concentrations of Chlorpyrifos (1/8, 1/20 and 1/43 of 96 h LC50) on the immune response of O. niloticus. It was found that; the levels of Chlorpyrifos in Abbassa and Sahl El-Hussinia fish farms were 0.008 and 0.0016 mg/L, respectively. The LC50 value of Chlorpyrifos was 0.07mg/L. Sub-lethal concentration of Chlorpyrifos altered the non-specific immunological parameters (namely, total globulin, immunoglobulin M (IgM), lysozyme, nitric oxide, phagocytic activity) and interlukin-1β (IL-1β) of O. niloticus. It could be concluded that water of Abbassa and Sahl El-Hussinia fish farms have had detectable residue levels of CPF, which was altered the immunological status of O. niloticus.
Keywords
chlorpyrifos; Oreochromis niloticus; residues; Abbassa; Sahl El-Hussinia
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