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:: Volume 4, Issue 3 (12-2012) ::
3 2012, 4(3): 35-44 Back to browse issues page
Effect of acute toxicity of copper sulfate and potassium permanganate on gill and liver tissues of Persian sturgeon, Acipenser persicus Borodin,1897
Batoul Moshtaghi , Shabanali Nezami, Hosein Khara, Zabihollah Pazhand, Alireza Shenavar Masouleh, Ali Hallajan, Roghayeh Fathollahi, Zahra Manafi Havigh
Abstract:   (8452 Views)
In fish hatcheries, disinfectants are usually used for controlling the infections of body surfaces of the fish and to prevent or eradicate the pathogenic organisms. Copper sulphate (CuSO4, 5H2O) and potassium permanganate (KMnO4) are among the important disinfectants which used in aquaculture facilities. In the present study an attempt was made to determine LC50 in 96 h of these two disinfectants and to study their effects on gills and liver tissues of Acipenserpersicus fry in vitro. Persian sturgeon fingerlings with mean weight of 1.57±0.2 mg were maintained in a static system for 96 hours at a water temperature of 23.7±0.38 ºC, dissolved oxygen concentration of 7.08±0.2 mg/l and a pH of 8.25±0.06. Total hardness of the water was determined as 330 mg/l. Gills and liver tissue of A. persicus fry were examined for microscopic and histopathologcal alterations after 96 h. LC50 in 96 h was determined as 0.15 mg/l and 0.41 mg/l, for CuSO4,5H2O and KMnO4 respectively. Results of histology study showed many lesion including, hyperplasia, secondary lamellae adhesion, thickening of supporting cartilage in gill filaments, elongation of secondary filaments, edema of the lamellae, hyper secretion of mucous in gills, cell atrophy, cell necrosis, cell degeneration of the hepatocytes and intravascular haemolysis in blood vessel of liver. We can conclude that inappropriate use of these disinfectants may result in toxicity of fish and also causes structural changes in fish tissues.
Keywords: Acute toxicity, Copper sulphate, Potassium permanganate, Gills tissue, Liver, Acipensr persicus
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Type of Study: Research | Subject: Special
Received: 2014/01/21 | Accepted: 2014/01/21 | Published: 2014/01/21
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Moshtaghi B, Nezami S, Khara H, Pazhand Z, Shenavar Masouleh A, Hallajan A, et al . Effect of acute toxicity of copper sulfate and potassium permanganate on gill and liver tissues of Persian sturgeon, Acipenser persicus Borodin,1897. 3. 2012; 4 (3) :35-44
URL: http://jmb.iauahvaz.ac.ir/article-1-47-en.html


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Volume 4, Issue 3 (12-2012) Back to browse issues page
مجله علمی پژوهشی زیست شناسی دریا Journal of Marine Biology
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