In vitro effect of malathion and endosulfan on the LH-induced oocyte maturation in the common CARP,Cyprinus carpio (L.) |
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| Authors: | S Haider R Moses Inbaraj |
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| Institution: | 1. Department of Zoology, Banaras Hindu University, 221005, Varanasi, India
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| Abstract: | Effect of malathion (organophosphorus insecticide) and endosulfan (organochlorine insecticide) on in vitro LH-induced oocyte maturation was investigated in the oocytes of common carp, Cyprinus carpio. In control incubation, LH at the concentration of 10 μg mL?1 induced 41.2 ± 1.6% of germinal vesicle breakdown (GVBD). When the oocytes were incubated with malathion at the concentrations of 1000, 500, 100, and 50 ppb together with LH it could induce only 13.4 ± 0.4, 14.0 ± 1.0, 12.9 ± 3.5, and 18.1 ± 3.9% of GVBD, respectively. Similarly, when the oocytes were incubated with endosulfan at the concentrations of 0.5, 0.1, 0.05, and 0.01 ppb together with LH, it induced only 12.8 ± 1.6, 8.8 ± 1.2, 20.9 ± 2.1 and 26.0 ± 2.2% of GVBD, respectively. The significance of the result obtained were discussed on the basis of available literature. |
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