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Physiological and behaviour changes in common lizards parasitized by haemogregarines

Published online by Cambridge University Press:  06 April 2009

A. Oppliger
Affiliation:
Laboratoire d'Ecologie, URA 258, CNRS, Université Pierre et Marie Curie, Bât A, 7ème étage, case 237, 7 quai St-Bernard, 75252 Paris Cedex 05, France
M. L. Célérier
Affiliation:
Laboratoire d'Ecologie, URA 258, CNRS, Université Pierre et Marie Curie, Bât A, 7ème étage, case 237, 7 quai St-Bernard, 75252 Paris Cedex 05, France
J. Clobert*
Affiliation:
Laboratoire d'Ecologie, URA 258, CNRS, Université Pierre et Marie Curie, Bât A, 7ème étage, case 237, 7 quai St-Bernard, 75252 Paris Cedex 05, France
*
*Corresponding author. Tel: + 33 1 44272545. Fax: + 33 1 44273516. E-mail: jclobert@snv.jussieu.fr.

Summary

The effect of haemoparasites on the physiology and behaviour traits of their hosts was examined using Haemogregarina sp., a parasite of the common lizard, Lacerta vivipara, from the south of France. Infection with haemogregarines was associated with a reduced haemoglobin concentration and an increased number of immature red blood cells. Parasitized individuals also showed a reduced oxygen consumption at rest and a lower locomotor speed. We also found that the multiplication rate of the parasite depended on the temperature at which the lizard was maintained. Between 21 and 28 °C the multiplication rate of the parasite was significantly lower than between 29 and 35 °C. This suggests that the parasites may suffer reproductive costs when hosts reduce their body temperature.

Information

Type
Research Article
Copyright
Copyright © Cambridge University Press 1996

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