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Sympatric and allopatric combinations of Lymnaea columella and Fasciola hepatica from southern and south-eastern Brazil

Published online by Cambridge University Press:  01 September 2009

L.H.L. Coelho ,
W.S. Lima  and
M.P. Guimaraes
L.H.L. Coelho*
Affiliation:
Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, CEP 31270-901Belo Horizonte, Minas Gerais, Brazil
W.S. Lima
Affiliation:
Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, CEP 31270-901Belo Horizonte, Minas Gerais, Brazil
M.P. Guimaraes
Affiliation:
Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, CEP 31270-901Belo Horizonte, Minas Gerais, Brazil
*
*E-mail: ewjh2001@yahoo.com.br
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Abstract

Experimental infections of Lymnaea columella with Fasciola hepatica were carried out to test the effect of sympatric and allopatric combinations between parasite and host, by using snails and flukes from southern and south-eastern Brazil. Four groups of 50 snails were infected with four miracidia per snail: two groups in sympatric and two groups in allopatric combinations. Sympatric combinations between parasite and host were more efficient than allopatric ones when snails from Itajubá were used, but the opposite was observed in infections involving snails from Pelotas. The sympatric association between L. columella and F. hepatica from Itajubá was significantly higher than in the other combinations. We concluded that the host–parasite relationship between L. columnella and F. hepatica may vary according to the geographical origin of the snails and flukes involved.

Type
Research Papers
Information
Journal of Helminthology , Volume 83 , Issue 3 , September 2009 , pp. 285 - 288
Copyright
Copyright © Cambridge University Press 2009

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