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Aspiculuris tetraptera in wild Mus musculus. Age resistance and acquired immunity.

Published online by Cambridge University Press:  05 June 2009

M. Behnke Jerzy
Affiliation:
Department of Zoology, Bedford College, University of London, London

Abstract

Wild house mice, naturally infected with Aspiculuris tetraptera were segregated according to their weight into six age groups. The prevalence of infection and the mean worm burden of these mice were studied in the different age groups. The overall prevalence of infection was high (57% or more) in all the groups except the youngest. Mice acquired larvae soon after weaning; the highest larval burdens were reached in juvenile mice and the highest mature worm burdens, a group later, in mature mice. Older mice had fewer larvae and fewer mature worms. The mature worm burdens decreased but relatively slower than the larval burdens. It is suggested that either innate or acquired resistance could account for these observations.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1976

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