Toxicity of biosal (Phytopesticide) and permethrin (Pyrethroid) against common carp, Cyprinus carpio. | [Pakistan Journal of Zoology • 2009]

Author(s):

1. Imrana Muzammil Sial: Marine Reference Collection and Resource Centre and Zoology Department, University of Karachi, Karachi, Pakistan

2. M. Afzal Kazmi: Marine Reference Collection and Resource Centre and Zoology Department, University of Karachi, Karachi, Pakistan

3. Quddusi Bashir Kazmi: Marine Reference Collection and Resource Centre and Zoology Department, University of Karachi, Karachi, Pakistan

4. Naeem-Ul Hassan Naqvi Syed: Marine Reference Collection and Resource Centre and Zoology Department, University of Karachi, Karachi, Pakistan

Abstract:

The objective of this study was to compare the toxicity of locally produced phytopesticide (Biosal) and synthetic Pyrethroid (permethrin) against the fresh water fish Cyprinus carpio. Fry of Cyprinus carpio was treated with five different concentrations of Biosal and Permethrin, separately for 24 hours. Experiment was repeated 10 times with each concentration, and mortality count was made. Mortality curve was drawn using regression line equation (y=a+bx) from the statistically computed results. It was found that LC50 of Biosal is 42133ppm (4.21 mg/L aquarium water) and LC50 of permethrin is 35.37ppm (35 gg/L aquarium water), indicating that permethrin was found nearly 1000 times more toxic than Biosal against fish fry as a non-target species.

Page(s): 235-238

DOI: DOI not available

Published: Journal: Pakistan Journal of Zoology, Volume: 41, Issue: 3, Year: 2009

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