Parasitology Research

, Volume 114, Issue 12, pp 4405–4412 | Cite as

Prevalence and intensity of Alaria alata (Goeze, 1792) in water frogs and brown frogs in natural conditions

  • Cécile PatrelleEmail author
  • Julien Portier
  • Damien Jouet
  • Daniel Delorme
  • Hubert Ferté
Original Paper


In the last 15 years, the mesocercariae of Alaria alata have frequently been reported in the wild boar during routine Trichinella inspections made compulsory for the trade of venison meat in Europe. If these studies have focused primarily on mesocercariae isolated from meat, few works have been done so far to understand the circulation of the parasite in natural conditions especially in the intermediate hosts. This study focuses on the second intermediate hosts of this parasite assessing the suitability of two amphibian groups—brown frogs and water frogs sensu lato—for mesocercarial infection on an area where A. alata has already been identified in water snails and wild boars. During this study, both groups showed to be suitable for mesocercarial infection, with high prevalence and parasite burdens. Prevalence was higher in the brown frog group (56.9 versus 11.54 % for water frogs) which would indicate that it is a preferential group for infection on the study area, though reasons for this remain to be investigated. No significant difference among prevalences was observed between tadpoles and frogs. This study, the first focusing on A. alata in these amphibians in Europe, provides further information on circulation of this parasite in natura.


Alaria alata Mesocercariae Water frog Brown frog 



For this study, the authorization to collect and test brown and water frogs was given by an agreement from the regional direction for environment (DREAL Champagne-Ardenne, France). Financial support was forthcoming in the form of a PhD grant from the French National Hunting Federation (Fédération Nationale des Chasseurs, FNC). Financial support for this study was also provided by the French Game and Wildlife Agency (Office National de la Chasse et de la Faune Sauvage, ONCFS). The authors would like to thank, Yves Maupoix and the staff of the DER ONCFS reserve. We are grateful to Scott Harris for having kindly reviewed the manuscript.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Cécile Patrelle
    • 1
    Email author
  • Julien Portier
    • 1
    • 2
  • Damien Jouet
    • 1
  • Daniel Delorme
    • 3
  • Hubert Ferté
    • 1
  1. 1.EA 4688 – USC Anses « VECPAR », UFR de PharmacieUniversité de Reims Champagne-ArdenneReimsFrance
  2. 2.Sciences&FaunesMarsangleFrance
  3. 3.Office National de la Chasse et de la Faune SauvageMoulins les MetzFrance

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