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Submitted: 25 Oct 2016
Revised: 07 Dec 2016
Accepted: 05 Jan 2017
First published online: 23 Apr 2017
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Avicenna J Clin Microbiol Infect. 2017;4(2): e43361.
doi: 10.5812/ajcmi.43361
  Abstract View: 177
  PDF Download: 461

Research Article

Prevalence and Fertility Survey of Hydatid Cyst in Slaughtered Livestock in Hamadan Abattoir, Western Iran, 2015 - 2016

Malihe Roostaei 1, Mohammad Fallah 1, Amir Hossein Maghsood 1, Masoud Saidijam 2, Mohammad Matini 1 *

1 Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
2 Department of Molecular Medicine and Genetics, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran
Corresponding author: Mohammad Matini, Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, IR Iran. Tel: +98-8138380572, Fax: +98-8138380208 Email: matini@umsha.ac.ir

Abstract

Background: Cystic echinococcosis (CE) is a cosmopolitan zoonotic infection which is considered as a significant public health and economic concern. Livestock is the main intermediate host for Echinococcus granulosus.

Objectives: This study was conducted to evaluate the prevalence and fertility rate of hydatid cyst among livestock in Hamadan area, western Iran.

Methods: A total of 10626 livestock carcasses were examined through visual inspection in order to detect hydatid cyst in Hamadan industrial slaughterhouse, during 2015 - 2016. The viability and fertility of hydatid cyst were determined microscopically by flame cell activity and eosin dye uptake.

Results: The carcasses, including 8684 sheep, 1110 goats and 832 cattle were inspected in order to detect hydatid cyst. An overall CE was detected in 3% of the inspected carcasses with a prevalence rate of 5.3% in cattle, 3% in sheep and 1% in goats (P < 0.001). The prevalence rate of infection in the females (2.7%) was more than males (0.3%) (P < 0.001). All of the infected animals were aged one year or more. The highest rate of infection in internal organs was found in the lungs (47.2%). The highest and the lowest fertility rate of hydatid cyst were observed in sheep (69.3%) and cattle (6.8%), respectively. The most of hydatid cysts which obtained from cattle (79.6%) were suppurative or calcified.

Conclusions: This study shows that the prevalence rate of CE is considerable in the area and sheep appear to be the most important intermediate hosts for E. granulosus tapeworm.

Keywords: Echinococcosis, Iran, Livestock, Prevalence, Echinococcus granulosus
Copyright © 2017, Hamadan University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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