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An abattoir-based study on the prevalence of hydatidosis in livestock in Mashhad, Iran

Published online by Cambridge University Press:  10 June 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: [email protected]
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Abstract

A 6-year (2004–2010) retrospective study was carried out to determine the prevalence of hydatidosis in livestock slaughtered in Mashhad abattoir, Mashhad, in north-eastern Iran and the capital of Khorasan province. Between 20 March 2004 and 19 March 2010, 5,131,485 animals (411,163 cattle; 4,547,618 sheep; 172,704 goats) were slaughtered in the study area and 388,399 (7.5%) livers and 1,139,529 (22.2%) lungs were discarded. Hydatidosis was responsible for 4% and 6.5% of total livers and lungs inspected, respectively. Of the cattle livers and lungs inspected over the survey period, 5.5% and 7.9% were condemned, respectively, because they held hydatid cysts. The corresponding values for livers and lungs of sheep (2%, 4%) and of goats (4.5%, 7.8%), respectively, were also condemned due to hydatidosis. Data showed a prominent seasonal pattern for hydatidosis. Liver condemnations due to hydatidosis were higher in winter and autumn for cattle and sheep, respectively, whereas lung condemnations were higher in summer for sheep and cattle. In goats, liver and lung condemnations were higher in winter. 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
Research Papers
Information
Journal of Helminthology , Volume 86 , Issue 2 , June 2012 , pp. 233 - 236
Copyright
Copyright © Cambridge University Press 2011

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