African Journal of Zoology
African Journal of Zoology Vol. 2 (1), pp. 031-034, October, 2014.© International Scholars Journals
Full Length Research Paper
Ft-ir effects of Cadmium and Mercurychlorides on tissue protien of a cat fish Clarias batrachus
J. Selvanathan1, M. Ramar2* and S. Vincent1
1Department of Zoology, Loyola, College Chennai-34, Tamil Nadu, India.
2Departments of Zoolog, APSA, College, Thirupattur, Tamil Nadu-630211, India.
Accepted 05 May, 2014
The release of heavy metals into the aquatic environment causes water pollution problems because of their toxicity, persistence and bio-accumulation. An investigation on the effect of heavy metals like Mercury and Cadmium on Fresh water catfish Clarias batrachus carried out in the laboratory. Fishes weighing 10 ± 0.5 g and 10 ± 1 cm length were exposed to sublethal concentrations (derived, based on acute toxicity tests) of mercurychloride 0.19, 0.09, 0.05 and 0.03 ppm and of cadmium chloride 0.66, 0.30, 0.17 and 0.12 ppm for 30 days. During this period fishes were fed with artificially prepared food .On the 10th, 20th, 30th day fishes were taken out, sacrificed and the tissues of gill and liver were excised out.
Key words: Catfish, Clarias batrachus, Mercury, Cadmium, bio-accumulation, Toxicity persistence, FTIR,
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