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An abattoir-based study of hydatidosis in the dromedary (Camelus dromedarius) in Mashhad, Iran

Published online by Cambridge University Press:  21 January 2011

H. Borji ,
M. Azizzadeh  and
A. Afsai
H. Borji*
Affiliation:
Department of Pathobiology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Iran
M. Azizzadeh
Affiliation:
Department of Clinical Science, School of Veterinary Medicine, Ferdowsi University of Mashhad, Iran
A. Afsai
Affiliation:
Department of Pathobiology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Iran
*
*E-mail: hborji@um.ac.ir
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Abstract

A 6-year retrospective study based on abattoir records was carried out to determine the prevalence of hydatidosis in dromedaries in Khorasan province in north–eastern Iran. Between 20 March 2004 and 19 March 2010, 25,255 dromedaries were slaughtered in the study area and the livers of 2791 (11.1%) and the lungs of 3289 dromedaries (13.2%) were discarded due to hydatidosis. The annual prevalence of liver condemnations due to hydatidosis decreased from 24.1% in 2004–2005 to 13.3% in 2009, and finally to 6.8% in 2010. The corresponding features for lung condemnation due to hydatidosis were relatively higher than liver, declining from 28.7% in 2004–2005 to 14.9% in 2009, and finally to 7.1% in 2010. Liver and lung condemnations due to hydatidosis were significantly higher in the spring. This could be attributed to various factors such as sources of slaughtered animals, changes in management practice and ecological factors. The present survey provides baseline data for the future monitoring of this potentially important parasitic disease in the region.

Type
Short Communication
Information
Journal of Helminthology , Volume 85 , Issue 4 , December 2011 , pp. 478 - 479
Copyright
Copyright © Cambridge University Press 2011

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