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Field observations concerning infection of Lymnaea palustris by Fasciola hepatica

Published online by Cambridge University Press:  05 June 2009

G. Dreyfuss
Affiliation:
Faculté de Pharmacie, Laboratoire de Parasitologie, 2, rue du Docteur Raymond Marcland, 87025 Limoges Cedex, France
A. Moukrim
Affiliation:
Faculté des Sciences, Laboratoire d'Écophysiologie, Unité de Parasitologie, B.P. 28/S, Agadir, Morocco
D. Rondelaud*
Affiliation:
Faculté de Médecine, Laboratoire d'Histopathologie Parasitaire, 2, rue du Docteur Raymond Marcland, 87025 Limoges Cedex, France
C. Vareille-Morel
Affiliation:
Faculté des Sciences, Laboratoire de Malacologie Appliquée, 123, avenue Albert Thomas, 87060 Limoges Cedex, France
*
*Author for correspondence.

Abstract

Fasciola hepatica miracidia were experimentally introduced into five sites colonized by Lymnaea palustris over a period of 4 or 6 years. In the first four ponds, a progressive increase in the prevalence of the spring-generation juvenile snails was observed (from 0.4 to 18.1%), with a corresponding increase in the shell height of infected snails (from 3.6 to 7.8 mm). In the fifth habitat, the pond dried in 1990 causing the prevalence to drop as compared with the initial values and to subsequently increase in 1991–1992.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 1994

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