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Journal of Applied Life Sciences International, 2394-1103,Vol.: 13, Issue.: 1

Short Research Article

Mortality Rate of Clarias gariepinus Fingerlings Exposed to 2, 3- dichlorovinyl dimethyl Phosphate

 

Adesola Stephen Ojesanmi1, Glory Richard2 and Sylvester C. Izah1*

1Department of Biological Sciences, Faculty of Science, Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria.

2Department of Community Medicine, Faculty of Clinical Sciences, Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria.

Article Information
Editor(s):
(1) Purnachandra Nagaraju Ganji, Department of Hematology and Medical Oncology, Emory University School of Medicine, USA.
Reviewers:
(1) Ijeoma Vincent-Akpu, University of Port Harcourt, Nigeria.
(2) Filip Zamosteanu Nina, University of Medicine and Pharmacy Gr. T. Popa Iasi, Romania.
Complete Peer review History: http://www.sciencedomain.org/review-history/19968

Abstracts

2, 3- dichlorovinyl dimethyl phosphate is an organophosphate insecticide used in the control of insects in both agricultural and household. This study investigated the mortality rate of Clarias gariepinus fingerlings exposed to 2, 3- dichlorovinyl dimethyl phosphate. Samples Clarias gariepinus were bought from a private fish farm in Yenagoa metropolis, Nigeria. The fishes were acclimatized in the laboratory for 3 days. A static renewal bioassay methodology was adopted. Results showed mortality rate of 32.85, 57.14 and 72.86% at 0.20, 0.60 and 1.00 ppm respectively (based on different concentration) and 32.67, 43.33, 56.67 and 73.33% respectively at intervals of 12, 24, 48 and 96 hours (based on time). There was significance difference (P<0.05) with respect to concentration, time and interaction of time/concentration. Results also showed increased mortality with increased concentration and exposure duration. The results showed that even at low concentration, 2, 3- dichlorovinyl dimethyl phosphate could still induce mortality in fingerlings of Clarias gariepinus. As such caution should be exercised in the use and disposal of empty cans of 2, 3- dichlorovinyl dimethyl phosphate close to aquatic-systems.

Keywords :

Fisheries; insecticides; pesticides; toxicity; water pollution.

Full Article - PDF    Page 1-6

DOI : 10.9734/JALSI/2017/34551

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