Effect of Insecticide Dichlorvos on Ovaries of Mosquito Fish Gambusia affinis (Baird and Girard)

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Suha Abdul-khaliq Al-Jowari

Abstract

The toxicity of insecticide dichlorvos (90%) was tested in ovaries of mosquito fish using three sublethal concentrations (0.3, 0.6, 0.8 µg/L) and studied their effects on the means of body and ovary weights, gonadosomatic index, ovum size and ova number.
Results showed that there was a significant (P<0.05) decrease in body and ovary weights, ovum size and ova count. However, there was no significant (P<0.05) difference in gonadosomatic index in treated groups with the three concentrations of dichlorvos compared with the control group.
This study was added evidence on the ovular toxicity of dichlorvos concerning its effect on fish production as well as reduction in the means of productive offspring and their survival.

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1.
Effect of Insecticide Dichlorvos on Ovaries of Mosquito Fish Gambusia affinis (Baird and Girard). Baghdad Sci.J [Internet]. 2011 Dec. 4 [cited 2024 Nov. 22];8(4):934-9. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1312
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How to Cite

1.
Effect of Insecticide Dichlorvos on Ovaries of Mosquito Fish Gambusia affinis (Baird and Girard). Baghdad Sci.J [Internet]. 2011 Dec. 4 [cited 2024 Nov. 22];8(4):934-9. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1312

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