Differences in the compatibility of infection between the liver flukes Fascioloides magna and Fasciola hepatica in a Colombian population of the snail Galba sp.

Gilles Dreyfuss; A C Correa; Félicité Djuikwo-Teukeng; A Novobilský; J Höglund; J Pankrác; M Kašný; Philippe Vignoles; S Hurtrez-Boussès; J P Pointier; Daniel Rondelaud

Differences in the compatibility of infection between the liver flukes Fascioloides magna and Fasciola hepatica in a Colombian population of the snail Galba sp.

Gilles Dreyfuss ^{1, 2, *} A C Correa ³ Félicité Djuikwo-Teukeng ¹ A Novobilský J Höglund J Pankrác M Kašný Philippe Vignoles ^{2, 1} S Hurtrez-Boussès ³ J P Pointier ⁴ Daniel Rondelaud ²

* Auteur correspondant

1 NET - Neuroépidémiologie Tropicale

2 UNILIM - Université de Limoges

3 MIVEGEC - Laboratoire de Parasitologie-Mycologie, Montpellier

4 CRIOBE - Centre de recherches insulaires et observatoire de l'environnement

Abstract : Experimental infections of Galba sp. (origin, Colombia) with allopatric isolates of Fasciola hepatica from France or Fascioloides magna from the Czech Republic were carried out during five successive snail generations to determine if this lymnaeid might sustain complete larval development of either parasite. In snails exposed to F. hepatica, 7 of 400 snails harboured several rediae and only two snails contained a small number of free cercariae on day 50 post-exposure. In contrast, the intensity of F. magna infection in Galba sp. progressively increased from the F1 to F5 generations. Spontaneous cercarial shedding of F. magna occurred in 7 of 100 Galba sp. belonging to the F5 generation and the number of shed cercariae did not differ significantly from that noted in control Galba truncatula of French origin. Galba sp. from Colombia can be added to the list of potential intermediate hosts for F. magna.

Type de document :

Article dans une revue

Journal of Helminthology, Cambridge University Press (CUP), 2015, 89 (6), pp.720-6

Domaine :

Sciences du Vivant [q-bio] / Santé publique et épidémiologie

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https://hal-unilim.archives-ouvertes.fr/hal-01295479
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Soumis le : jeudi 31 mars 2016 - 10:38:23
Dernière modification le : mercredi 28 février 2018 - 17:04:02

Differences in the compatibility of infection between the liver flukes Fascioloides magna and Fasciola hepatica in a Colombian population of the snail Galba sp.

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Differences in the compatibility of infection between the liver flukes Fascioloides magna and Fasciola hepatica in a Colombian population of the snail Galba sp.

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