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Risk assessment induced by knapsack or conventional motor sprayer on pesticides applicators and farm workers in cotton season
Faculty
Agriculture
Year:
2010
Type of Publication:
Article
Pages:
110-115
Authors:
Elhalwagy, Manal E. A, Farid, Hoda E. A, Gh, Farag A. A, Ammar, Abd Elmegeed, Kotb, Gamila A. M
DOI:
10.1016/j.etap.2010.04.004
Journal:
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY ELSEVIER SCIENCE BV
Volume:
30
Research Area:
Environmental Sciences \& Ecology; Pharmacology \& Pharmacy; Toxicology
ISSN
ISI:000281339500003
Keywords :
Risk assessment, Spraying equipment, Applicators, Liver markers, Oxidative stress markers
Abstract:
Fakous Province in the Sharkia Governorate constitutes one of the largest agricultural areas in Egypt. The majority of people in this province rely on subsistence agriculture. In the cotton cultivation season the continuous application of pesticides is commonly used to increase agricultural productivity, using different types of spraying equipment. In this study a cohort 01 210 intensive agricultural pesticide applicators and farm workers from Sawada and Akyad Elkepplia villages in Fakous Province were assessed according to the type of spraying equipment they used Conventional motor (300 l/feddan or 042 ha) and knapsack motor sprayer (20 l/feddan) were commonly used by farmers Contamination on applicators was detected on head, body (thorax/abdomen) and legs at different percentages according to the spraying tools The recorded results revealed that contamination with pesticides due to knapsack motor sprayers 0.76\% on head, 4.8\% on body and 5.8\% on legs, however, conventional motor sprayers induce contamination of 3.6\% on head, 23 7\% on body and 29 1\% on legs Several criteria for estimating pesticide contamination by previous delivery systems were used The most important reference biomarker was serum acetyl cholinesterase (AchE) depression Sprayers showed changes in serum glucose levels as well as reduced erythrocytic glutathione levels (GSH) However, an increase in both total serum protein and albumin was recorded also, alongside elevation in lipid peroxidation biomarker malondialdehyde (MDA). Changes in serum biochemistry regarding enzymes reflecting cytotoxicity were also recorded, such as inhibition of alanine aminotransferase (ALT) and glutathione-S-transferase (GST) An increase in aspartate aminotransferase (AST) and glutathione reductase (GR) was observed particularly in conventional motor sprayers Changes in enzymes activities found in this study are linked to the adverse health effects related to chronic pesticide toxicity that may lead to pathophysiological diseases, cancer or neurodegenerative disorders, which warrants further investigation. (C) 2010 Elsevier B V. All rights reserved
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