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Observations on the incidence of some nematode parasites of the common rabbit, Oryctolagus cuniculus

Published online by Cambridge University Press:  06 April 2009

W. M. R. Evans
W. M. R. Evans
Affiliation:
Department of Zoology, University College of Wales, Aberystwyth
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Extract

1. During the period November 1936 to February 1937, eighty rabbits were examined, whilst from August 1937 to July 1938 another 446 were examined for nematodes. The following nematodes were found: Graphidium strigosum, Passalurus ambiguus, Trichostrongylus retortaeformis.

2. The incidence of the above three nematodes is given, and their seasonal incidence is discussed, with special reference to its ecological implication.

3. Evidence of host and age resistance is also demonstrated in infections with Graphidium strigosum, Passalarus ambiguus and Trichostrongylus retortaeformis.

4. The proportion of the sexes in Graphidium strigosum was found to be constant during both periods. The percentage of males in 1936–7 was 45·6 and 45·96 in 1937–8. In Passalurus ambiguus, however, the proportion of the sexes varied to a large extent.

Type
Research Article
Information
Parasitology , Volume 32 , Issue 1 , April 1940 , pp. 67 - 77
Copyright
Copyright © Cambridge University Press 1940

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References

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