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The effect of host density on the establishment and fecundity of Heligmosomoides polygyrus

Published online by Cambridge University Press:  06 April 2009

Dominique Kerboeuf
Dominique Kerboeuf
Affiliation:
I.N.R.A., Station de Pathologie Aviaire et de Parasitologie, Unité d'Helminthologie, Nouzilly, 37380 Monnaie
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Extract

The effect of mouse population density on the establishment, survival and fecundity of single cohorts of Heligmosomoides polygyrus was investigated. No significant relationship was found between host population density and the worm burden at post mortem. But, lower host population densities were associated with higher parasite fecundities and with higher overall mean daily faecal output. The results might be explained by a decrease in male hormone secretion or digestive disturbances associated with lower ingesta in the higher host population densities. Effects resulting from changes in immunological responses might also exist.

Type
Research Article
Information
Parasitology , Volume 91 , Issue 1 , August 1985 , pp. 177 - 183
Copyright
Copyright © Cambridge University Press 1985

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