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The prevalence and fertility of hydatid cysts in buffaloes from Iran

Published online by Cambridge University Press:  19 September 2011

A. Amin Pour ,
S. H. Hosseini  and
P. Shayan
A. Amin Pour
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, University of Tehran, PO Box 14155-6453, Tehran, Iran
S. H. Hosseini*
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, University of Tehran, PO Box 14155-6453, Tehran, Iran
P. Shayan
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, University of Tehran, PO Box 14155-6453, Tehran, Iran
*
* E-mail: hhoseini@ut.ac.ir
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Abstract

Cystic echinococcosis caused by Echinococcus granulosus is considered to be an important parasitic infection in livestock. In the present study, which aimed to determine the epidemiology of hydatidosis in buffalo in Iran, slaughterhouses of West Azerbaijan (Urmia), East Azerbaijan (Tabriz), Ardabil (Ardabil), Gilan (Rasht and Hashtpar) and Khuzestan (Ahvaz) were inspected. Age, sex and infected organs were recorded separately, and the observed cysts were examined for fertility and viability. Our results showed that 344 (9%) of 3832 inspected buffaloes were infected with hydatid cysts. The maximum and minimum infection rates occurred in Khuzestan (9.9%) and Ardabil (8%) provinces, respectively. There was no significant difference in the rate of infection in all provinces. Of 344 infected buffaloes, the rate of fertility was 7.3% and the rate of viability in fertile cysts was 78.75%. Hydatid cysts were more prevalent in female compared with male buffaloes (P < 0.05). There was a positive correlation between the age and number of infected hosts in all provinces except East Azerbaijan. The prevalence of infection in lungs was significantly higher than that in the livers of buffaloes in the provinces studied (P < 0.001). In conclusion, the fertility of hydatid cysts in buffaloes was low, as previously demonstrated in cattle, and this animal may play a minor role in the epidemiology of hydatidosis in Iran.

Type
Research Papers
Information
Journal of Helminthology , Volume 86 , Issue 3 , September 2012 , pp. 373 - 377
Copyright
Copyright © Cambridge University Press 2011

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