Carbofuran induced changes in breeding of a freshwater fish,Labeo rohita (Hamilton) |
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| Authors: | S. Adhikari Biplab Sarkar Amita Chattopadhyay D.N. Chattopadhyay S.K. Sarkar S. Ayyappan |
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| Affiliation: | 1. Central Institute of Freshwater Aquaculture , P.O. Kausalyaganga, Bhubaneswar–751 002, India sadhikari66@indiatimes.com;3. Central Institute of Freshwater Aquaculture , P.O. Kausalyaganga, Bhubaneswar–751 002, India;4. Central Institute of Freshwater Aquaculture , P.O. Kausalyaganga, Bhubaneswar–751 002, India;5. Indian Council of Agricultural Research Krishi Anusandhan Bhavan, New Delhi–110 012, India |
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| Abstract: | The effect of carbofuran, a carbamate pesticide, on the breeding performance of the freshwater fish Labeo rohita (Hamilton) has been investigated in the present study. Breeding of L. rohita was conducted after treatment with three sublethal concentrations, i.e. 0.06, 0.15 and 0.30 mg L?1 of carbofuran for 96 h. The present investigation showed that the number of total eggs and total amount of eggs (litre per kg body weight) decreased significantly (p < 0.01) at all concentrations of carbofuran in comparison to controls, while the reduction in fertilization percentage at all concentrations of carbofuran was not significantly different from controls. The reduction in hatching percentage, the expected number of hatchlings, and the expected number of hatched larvae were significantly (p < 0.01) different between treated and control groups at all carbofuran concentrations. No significant differences for the 96 h survivability of hatched larvae were reported at all concentrations of carbofuran. |
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| Keywords: | breeding Labeo rohita carbofuran |
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