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. 2011 Aug;18(3):271-5.
doi: 10.1051/parasite/2011183271.

New data in France on the trematode Alaria alata (Goeze, 1792) obtained during Trichinella inspections

J Portier  1 , D Jouet, H Ferté, O Gibout, A Heckmann, P Boireau, I Vallée
Affiliations

New data in France on the trematode Alaria alata (Goeze, 1792) obtained during Trichinella inspections

J Portier et al. Parasite. 2011 Aug.

Abstract
in English, French

The trematode Alaria alata is a cosmopolite parasite found in red foxes (Vulpes vulpes), the main definitive host in Europe. In contrast only few data are reported in wild boars (Sus scrofa), a paratenic host. The aim of this paper is to describe the importance and distribution of Alaria alata mesocercariae in wild boars, information is given by findings of these larvae during Trichinella mandatory meat inspection on wild boars' carcasses aimed for human consumption. More than a hundred cases of mesocercariae positive animals are found every year in the East of France. First investigations on the parasite's resistance to deep-freezing in meat are presented in this work.

Alaria alata (Diplostomidae : Trematoda) est parasite à l’état adulte de l’intestin grêle du Renard roux (Vulpes vulpes), le principal hôte définitif en Europe. Les données existantes sur ce parasite chez le Sanglier (Sus scrofa), le principal hôte paraténique, sont fragmentaires. L’objectif de cet article est de préciser l’importance et la distribution d’Alaria alata chez les sangliers en France grâce aux déclarations de mésocercarioses obtenues lors des recherches obligatoires de Trichine sur les carcasses ces dernières années. Le recueil de ces déclarations montre que plus de 100 cas d’animaux positifs sont signalés chaque année, principalement dans le nordest de la France. Une première approche de la résistance à la congélation d’Alaria alata dans la viande est présentée dans ce travail.

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Figures

Fig 1.
Fig 1.
Geographical distribution of mesocercariosis cases and intensity of Trichinella inspection on wild boars’ carcasses.
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