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Pesticide Residues in Fish Samples Collected from Different Fish Cultivation Regions of Bangladesh

M. D. H. Prodhan
Pesticide Analytical Laboratory, Entomology Division, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh.

M. A. Rahman
Pesticide Analytical Laboratory, Entomology Division, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh.

M. S. Ahmed
Pesticide Analytical Laboratory, Entomology Division, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh.

K. H. Kabir
Pesticide Analytical Laboratory, Entomology Division, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh.

Abstract/ Executive Summary:

A total of 125 samples of fish covering Rui, Carp, Shrimp, White fish, Fin fish and others were collected from Dhaka, Khulna and Chittagong region of Bangladesh were taken to the Pesticide Analytical Laboratory (PAL), Entomology Division, Bangladesh Agricultural Research Institute (BARI), Gazipur. All samples were extracted and prepared for injection using the standard protocols for multi-residue analyses during September, 2007 to April, 2008. The elutes were injected into either GCMS-EI or GCMS-NCI depending on the nature of target insecticides. Results were that among 125 samples, 49 had insecticide residues and 1 had single insecticide residue. The detected carbofuran residues ranged from 0.29 to 1.13 ppm, the restudies of diazinin, carbaryl and fenvalerate were 1.38, 0.35 and 0.009 ppm, respectively. Out of 60 samples from Chittagong, 8 had multiple insecticide residues and 15 had single insecticide residue. The detected residues of carbofuran, diazinin, fenvalerate, chlorpyrifos, heptachlor and DDT ranged from 0.17-0.89 ppm, 0.03-2.75 ppm, 0.01-0.03 ppm, 0.005 ppm, 0.19-1.15 ppm and 0.06-0.52 ppm, respectively. Out of 58 samples from Khulna, 9 had multiple insecticide residues and 14 had single insecticide residue. The detected residues of carbofuran, diazinin and DDT ranged from 0.03-1.25 ppm and 0.04-0.12 ppm, respectively. Thus 22 samples contained insecticide residue above ADI (Acceptable Daily Intake) referring to average body weight of 50 kg/person of which 02 samples were collected from Dhaka, 10 from Chittagong and 10 from Khulna region.

Keywords: Fish, Multiple pesticide residues, Residue quantification, ADI

Location: Dhaka, Khulna, Chittagong

Start Date: 01-09-2007

End Date: 30-04-2008

Program Area: Pest Management

Commodity: Pesticide

Objectives:

To analysis the pesticide residue status in fish samples.

Methodology:

One hundred twenty five (125) fish samples covering Rui, Carp, Shrimp, White fish, Fin fish and others were collected from Dhaka, Khulna and Chittagong region of Bangladesh during September, 2007 to April, 2008. The standards of the insecticides were obtained from Sigma-Aldrich Laborchemikalien, Gmbh P.O. Box-100262, D-30918, Seelze, Germany via Bangladesh Scientific Pvt. Ltd. Dhaka, Bangladesh. The present purity of these standards was above 99.6. The methodology prescribed by William and George (2005) with necessary modification was adopted for extraction, separation and clean-up of the samples. The residue of each insecticide in the injected test fish sample was measured as ppm by the software from which the concentration in the respective sample was obtained by back calculation.

Source of Information: SAARC JOURNAL OF AGRICULTURE, Vol. 8, Issue 2, 2010, pp. 53-64, ISSN 1682-8348, SAARC Agricultural Information Centre.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Results were that among 125 samples, 49 had insecticide residues and 1 had single insecticide residue. The detected carbofuran residues ranged from 0.29 to 1.13 ppm, the restudies of diazinin, carbaryl and fenvalerate were 1.38, 0.35 and 0.009 ppm, respectively. Out of 60 samples from Chittagong, 8 had multiple insecticide residues and 15 had single insecticide residue. The detected residues of carbofuran, diazinin, fenvalerate, chlorpyrifos, heptachlor and DDT ranged from 0.17-0.89 ppm, 0.03-2.75 ppm, 0.01-0.03 ppm, 0.005 ppm, 0.19-1.15 ppm and 0.06-0.52 ppm, respectively. Out of 58 samples from Khulna, 9 had multiple insecticide residues and 14 had single insecticide residue. The detected residues of carbofuran, diazinin and DDT ranged from 0.03-1.25 ppm and 0.04-0.12 ppm, respectively. Thus 22 samples contained insecticide residue above ADI (Acceptable Daily Intake) referring to average body weight of 50 kg/person of which 02 samples were collected from Dhaka, 10 from Chittagong and 10 from Khulna region.

Knowledge Management: Journal