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Infection patterns of Paradollfusnema amphisbaenia (Nematoda: Cosmocercidae) in a population of Amphisbaena wuchereri (Squamata: Amphisbaenidae) from Minas Gerais state, south-eastern Brazil, and its relations with host size, sex and fat body mass

Published online by Cambridge University Press:  05 January 2012

R. Filogonio ,
G.M. Toledo ,
L.A. Anjos ,
B. Rajão ,
C.A.B. Galdino  and
L.B. Nascimento
R. Filogonio*
Affiliation:
Departamento de Zoologia, UNESP – Universidade Estadual Paulista, Campus Rio Claro, Instituto de Biociências, Rio Claro, São Paulo, Brasil
G.M. Toledo
Affiliation:
Departamento de Parasitologia, UNESP – Universidade Estadual Paulista, Campus Botucatu, Instituto de Biociências, Botucatu, São Paulo, Brasil
L.A. Anjos
Affiliation:
Departamento de Parasitologia, UNESP – Universidade Estadual Paulista, Campus Botucatu, Instituto de Biociências, Botucatu, São Paulo, Brasil
B. Rajão
Affiliation:
Funcesi/Fisa, Laboratório de Morfologia, Itabira, Minas Gerais, Brasil
C.A.B. Galdino
Affiliation:
Programa de Pós-Graduação em Zoologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil
L.B. Nascimento
Affiliation:
Programa de Pós-Graduação em Zoologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil Museu de Ciências Naturais, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil
*
* E-mail: [email protected]
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Abstract

Specimens (n= 41) of the amphisbaenid Amphisbaena wuchereri taken from a population in Minas Gerais state, south-eastern Brazil, were examined for gastrointestinal parasites. A single nematode species was found, Paradollfusnema amphisbaenia. This was a new host record for this nematode species. This parasite was encountered in the large intestine (prevalence of 100%), in the stomach (prevalence of 2%) and in the small intestine (prevalence of 7.3%). The intensity of infection ranged from 1 to 457 individual parasites per host and was positively correlated with body size of both male and female amphisbaenians. The discrepancy index (D) indicated that P. amphisbaenia tended to an even distribution in this host population. The nematode, which did not affect fat body mass, induced inflammatory infiltrations in the small intestine, indicating that the parasites might injure the host's organs.

Type
Research Papers
Information
Journal of Helminthology , Volume 87 , Issue 2 , June 2013 , pp. 135 - 140
Copyright
Copyright © Cambridge University Press 2012 

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