ORIGINAL ARTICLE
Year : 2015  |  Volume : 22  |  Issue : 1  |  Page : 100-103

Effect of cypermethrin on the growth of ciliate protozoan Paramecium caudatum


Department of Zoology, School of Biotechnology and Biosciences, Lovely Professional University, Phagwara, Punjab, India

Correspondence Address:
Joydeep Dutta
Department of Zoology, School of Biotechnology and Biosciences, Block 28, Lovely Professional University, Jalandhar-Ludhiana GT Road (NH-1), Phagwara - 144 411, Punjab
India
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DOI: 10.4103/0971-6580.172282

PMID: 26862268

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Objective: The objective of this study is to assess the effect of cypermethrin on the growth of ciliate protozoan Paramecium caudatum. Materials and Methods: Monoxenic culture of P. caudatum, were exposed to different doses (0.01, 0.05, 0.1, 0.15, and 0.2 µg/L) of cypermethrin along with control for 24, 48, 72, and 96 h time interval. The total numbers of live and dead cells were counted after trypan blue staining in Neubauer hemocytometer. Results: Marked decrease in the number of living cells with the increase in the concentration of cypermethrin and with increasing exposure time intervals was recorded. Conclusion: The results indicate that cypermethrin is toxic to P. caudatum even at low concentrations when it enters in the aquatic system through runoff.


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