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Slaughterhouse survey of cystic echinococcosis in cattle and sheep from the Republic of Moldova

Published online by Cambridge University Press:  02 March 2015

O. Chihai ,
G. Umhang ,
D. Erhan ,
F. Boué ,
N. Tălămbuţă ,
Ş. Rusu  and
M. Zamornea
O. Chihai
Affiliation:
Institute of Zoology of the Academy of Sciences of Moldova, Chisinau, Moldova
G. Umhang*
Affiliation:
ANSES, Nancy Laboratory for Rabies and Wildlife, National Reference Laboratory for Echinococcus spp., Wildlife surveillance and eco-epidemiology unit, France
D. Erhan
Affiliation:
Institute of Zoology of the Academy of Sciences of Moldova, Chisinau, Moldova
F. Boué
Affiliation:
ANSES, Nancy Laboratory for Rabies and Wildlife, National Reference Laboratory for Echinococcus spp., Wildlife surveillance and eco-epidemiology unit, France
N. Tălămbuţă
Affiliation:
Free International University of Moldova, Chisinau, Moldova
Ş. Rusu
Affiliation:
Institute of Zoology of the Academy of Sciences of Moldova, Chisinau, Moldova
M. Zamornea
Affiliation:
Institute of Zoology of the Academy of Sciences of Moldova, Chisinau, Moldova
*
*E-mail: [email protected]
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Abstract

The Echinococcus granulosus tapeworm is responsible for cystic echinococcosis (CE), a zoonotic disease with worldwide distribution. The life cycle of the parasite is mainly domestic and takes place between dogs and livestock species. A slaughterhouse survey was conducted in 2012 in the Republic of Moldova in order to estimate the prevalence of CE. A total of 1525 cattle, 5580 sheep and 12,700 pigs were surveyed. No CE infection was observed in pigs, while prevalence was estimated at 59.3% in cattle and 61.9% in sheep. Infection was significantly higher in animals raised in private households than in those from collective farms. The frequency of infection increased with age in both species. In cattle and in sheep, infection of both the liver and lungs was the most common, while infection in the lungs only was much less frequent. Farm type appears to be an important factor in CE infection in Moldova, due to the extensive farming and the home-slaughtering undertaken in the majority private sector, despite a high prevalence of CE also recorded in the public sector. The low fertility of cysts in cattle (1.1%) compared to sheep (47.6%) confirmed the maintenance of E. granulosussensu stricto in a dog–sheep life cycle which excludes cattle. Further studies are needed to obtain a complete overview of the parasite's epidemiology in its intermediate and definitive hosts, in order to implement control and preventive measures, with specific attention given to farms in the private sector.

Type
Research Papers
Information
Journal of Helminthology , Volume 90 , Issue 3 , May 2016 , pp. 279 - 283
Copyright
Copyright © Cambridge University Press 2015 

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