Toxicity of Lindane (Gamma Hexachloro - CycloHexane) to Clarias gariepinus (Burchell 1822)

Adesina, B.T. and Omitoyin, B.O. and Ajani, E.K. and Okuagu, C.N.F. (2006) Toxicity of Lindane (Gamma Hexachloro - CycloHexane) to Clarias gariepinus (Burchell 1822). World Journal of Zoology, 1 (1). pp. 57-63. ISSN ISSN: 1817-3098

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Abstract

The acute toxicity of Lindane to African Catfish ( Clarias gariepinus ) juveniles was assessed in a static renewal bioassay for 96 h. Five graded concentrations of lindane were prepared as 0.08, 0.18, 0.40, 0.80, 1.80 mg/L and a control experiment (0 mg/L). The 96 h (LC50) value computed on logarithm was 0.36 mg/L. The median LT50 was 26 and 67 h for 1.8 and 0.8 mg/L, respectively. At various concentration of lindane, fish showed uncoordinated behaviour such as incessant gulping of air and increase in opercular ventilation. Mortality was recorded earliest in the highest concentrations of 1.8 mg/L and with increasing period of exposure to lindane. Marked diffuse fatty degenerative hepatocytes, necrosis and heterophilic infiltration and pyknosis and degenerative changes of liver were the major histopathological effects distinctively shown. The results show that lindane is highly toxic to Clarias gariepinus juveniles. Key words: Lindane Clarias gariepinus toxicity

Item Type: Article
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: Faculty of Medicine, Health and Life Sciences > School of Biological Sciences
Depositing User: Dr. BABATUNDE T ADESINA
Date Deposited: 13 Jul 2017 13:18
Last Modified: 13 Jul 2017 13:18
URI: http://eprints.lmu.edu.ng/id/eprint/784

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