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:: Volume 10, Issue 3 (Autumn 2022) ::
JAIR 2022, 10(3): 71-80 Back to browse issues page
The comparison of acute toxicity rate of Zinc and Copper sulfate on Caspian beluga
Mohammad Farhangi * , Hojatolah Jafaryan , Zia Kordjazi , Behrooz Mohammadzadeh , Hosna Gholipour kanani
Abstract:   (1369 Views)
In the present study histological effects of copper and Zinc sulphate on, 250 Caspian beluga (Huso huso) fingerlings were studied. In this regard, fish of treatment groups were exposed to 0.1, 0.2, 0.4, 0.6, 0.7 and 0.8 mg/l of copper and 5, 25, 50, 75, 80 and 85 mg/l of Zinc sulphate during 4 days respectively. Behaviours and clinical signs of fish were recorded during the experiment. Samples were cut from kidney, liver and gill of moribund and fresh dead fish for histopathological signs. Then, specimens were studied after section and hematoxylin- Eosin staining. On the present study, LC50 value for 96 hours exposure were calculated as 0.52 and 54.21 mg/l, respectively for Copper and Zinc. Mild to severe histopathological signs were observed in kidney, liver and gill of all treatment fish specimens. Pathologic severity signs in sampled tissues were increased by increasing in concentration and exposure times of copper and Zinc sulphate.
Article number: 8
Keywords: Clinical sign, Aacute exposure, Copper sulphate, Zinc sulphate Caspian beluga
Full-Text [PDF 1323 kb]   (307 Downloads)    
Type of Study: Research | Subject: Special
Received: 2021/11/19 | Accepted: 2022/02/20 | Published: 2023/02/14
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farhangi M, Jafaryan H, Kordjazi Z, mohammadzadeh B, gholipour kanani H. The comparison of acute toxicity rate of Zinc and Copper sulfate on Caspian beluga. JAIR 2022; 10 (3) : 8
URL: http://jair.gonbad.ac.ir/article-1-774-en.html


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Volume 10, Issue 3 (Autumn 2022) Back to browse issues page
نشریه علمی پژوهشی پژوهشهای ماهی شناسی کاربردی Journal of Applied Ichthyological Research
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