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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 

بانک نشریات کشور (مگیران)




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:: Volume 21, Issue 2 (2022) ::
IJFS 2022, 21 Back to browse issues page
Research Article: Pathological and genotoxic effects of the herbicide oxadiargyl on common carp (Cyprinus carpio) fingerlings
S. Shariatzadeh , H. Emadi * , Sh. Jamili , A. Mashinchian Moradi
Department of Marine Biology, Faculty of Marine Science and Technology, Islamic Azad University, North Tehran Branch, Tehran, Iran , Emadihossein@yahoo.com
Abstract:   (2296 Views)
Acute toxicity and effects of sublethal concentrations of oxadiargyl herbicide (3% EC) were examined on DNA damage (Comet assay) and histopathological changes in common carp (Cyprinus carpio) fingerlings with average weight and length of 19.15±1.05 g and 10.09±0.47 cm, respectively. The fish were exposed to 0.1, 0.3 and 0.5 mg/L of the herbicide for 30 days. Estimated 96-h LC50 value for oxadiargyl in common carp was 0.6 mg/L. Histopathologically, no change occurred in different tissues of the control group, while marked lesions were induced in vital organs of fish that their severity was increased with enhancement of the herbicide concentration. Sublethal exposure to different concentrations of oxadiargyl induced: hyperplasia of lamellar epithelium, hyperemia, inflammatory cells infiltration, aneurysm and rod-like structures of secondary lamellae in gill tissues, as well as change in size and number of melanomacrophage centers in kidney and spleen tissues. Necrosis of tubular epithelium, hyperemia, and protein casts were also observed in kidney tissue. Focal necrosis, fragmentation, vaculization and shrinkage of myofibrils, and eosinophilic cytoplasm were observed in muscle tissues of exposed fish. Erythrocyte cells of fish exposed to sublethal concentrations of 0.1, 0.3 and 0.5 mg/L, showed 18.3%, 19.1%, and 31.5% tailed DNA, respectively, significantly higher than the control group (p<0.05). Moreover, exposure to oxadiargyl significantly decreased WBC, RBC, Hb, Hct compared with the control group (p<0.05). In conclusion, these results revealed that oxadiargyl is highly toxic to common carp with genotoxic and hematotoxic effects, as well as adverse effects on histopathology of vital organs.
Keywords: Oxadiargyl, Common carp, Histopathology, Hematology, DNA damage
Full-Text [PDF 1150 kb]   (1196 Downloads)    
Type of Study: Orginal research papers | Subject: Toxicology
Received: 2018/10/10 | Accepted: 2019/05/13 | Published: 2022/03/19
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Shariatzadeh S, Emadi H, Jamili S, Mashinchian Moradi A. Research Article: Pathological and genotoxic effects of the herbicide oxadiargyl on common carp (Cyprinus carpio) fingerlings. IJFS 2022; 21 (2) :316-330
URL: http://jifro.ir/article-1-3643-en.html

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Volume 21, Issue 2 (2022) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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