kirkuk university journal scientific studies

ISSN: 19920849 
Publisher: Kirkuk University 
Faculty: Science 
Language: Arabic and English 

This journal is Open Access 

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Animal hygiene assessment by spontaneous reactivation
and aging kinetics of pesticide compounds
 
A.Nkhwa 1, Najdat Ali Al-Kadhi2, Mohammed Talat Abass3, and Kasim Sakran Abass4
 
1School of Medicine, University of Botswana, Republic of Botswana
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2Department of Medical laboratory Techniques, Kirkuk Technical College, Foundation of Technical Education Baghdad
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3College of Pharmacy, University of Karbala, Karbala, Iraq
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4Department of Basic Nursing Sciences, College of Nursing, University of kirkuk, kirkuk, Iraq
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Received date : 19/ 1 / 2014 Accepted date : 30 / 3 / 2014

ABSTRACT
 
The main aims of this paper were to investigate the rate of spontaneous reactivation of
butyrylcholinesterase from plasma and serum of farm animals inhibited by the
organophosphorus, chlorfenvinphos and trichlorfon. Organophosphorus are among the
most toxic of all substances that cause poisoning in farm animals and are the most
frequently encountered insecticides, commonly detected in agricultural products, animalderived
foodstuffs, environmental samples and home use and represent a significant
potential health risk.The first-order rate constants obtained for spontaneous reactivation
(ks) for chlorfenvinphosand trichlorfon for plasma and serum was ranged between 0.012 to
0.811h-1, while aging of phosphorylated butyrylcholinesterase follows the kinetics of a firstorder
reaction with rate constants aging (ka) ranged between 0.004to 0.653 h-1. Half-time
(t1/2) for spontaneous reactivation and aging are higher in trichlorfon compared to
chlorfenvinphos and ranged from 1.1 to 28.9h (sheep), 2.1 to 63 h (cattle) and 2.8 to 53.3 h
(goat), respectively.

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Keywords: Spontaneous reactivation, Aging, Farm animals, animal hygiene, pesticide compounds.
 

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