Toxic effects of heavy metals (cadmium plus mercury) on haematological parameters and DNA damage in Lates calcarifer | Zendy

D. Senthamilselvan | Zendy

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Toxic effects of heavy metals (cadmium plus mercury) on haematological parameters and DNA damage in Lates calcarifer

Author(s) -

D. Senthamilselvan

Publication year - 2012

Publication title -

journal of toxicology and environmental health sciences

Language(s) - English

Resource type - Journals

ISSN - 2006-9820

DOI - 10.5897/jtehs12.028

Subject(s) - lates , mercury (programming language) , cadmium , heavy metals , environmental chemistry , comet assay , toxicity , chemistry , metal toxicity , toxicology , fish <actinopterygii> , dna damage , dna , biology , biochemistry , fishery , organic chemistry , computer science , programming language

The present study was carried out to evaluate the effects of toxic metals (cadmium plus mercury) on the haematology and DNA damage of fish, Lates calcarifer for every 24 h up to 96 h. A significant gradual decrease of haemoglobin (-35.01 to -24.11) and hematocrit (-35.01 to -31.78) was noted at acute concentration of cadmium plus mercury (3.0 ppm) as compared to that of control. The comet assay of fish blood cells exhibited a significant higher DNA damage and the highest OTM was observed in 96 h of acute mixed metals concentration. From this investigation, the results proved that the combined metal toxicity induced haematological and DNA damage of fish Lates calcarifer than individual metal toxicity.

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