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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 5, Part E

Acute toxicity of mercuric chloride (Hgcl2) on survival and behavioural responses of freshwater fish Labeo rohita (Hamilton)


Author(s): Srinivasa Naik Banavathu, Nageswara rao Naik Ramavathu and Jagadish Naik Mude

Abstract: The aim of the present study deals with the acute toxicity (LC50 evaluation) of Mercuric Chloride to fresh water fish Labeo rohita for 24, 48, 72 and 96 hours the percentage of mortality rate was calculated by following the Finney’s probit analysis method. The LC50 values of the prepared concentrations for 24, 48, 72 and 96 hrs were found at 0.41, 0.35, 0.30, and 0.25 mg/L respectively. During the course of experiment, the behavioural alterations were also observed like surfacing, erratic movement, increased mucous secretion, decreased opercular movement and loss of balance. The present study revealed that, the LC50 value gradually decreased with the increase of exposure period and the mortality rate increased with increase in concentration with pesticide exposure.

Pages: 323-327  |  774 Views  30 Downloads

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How to cite this article:
Srinivasa Naik Banavathu, Nageswara rao Naik Ramavathu, Jagadish Naik Mude. Acute toxicity of mercuric chloride (Hgcl2) on survival and behavioural responses of freshwater fish Labeo rohita (Hamilton). Int J Fish Aquat Stud 2016;4(5):323-327.
International Journal of Fisheries and Aquatic Studies