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Blood parasites of wild voles, Microtus agrestis, in England

Published online by Cambridge University Press:  06 April 2009

J. R. Baker ,
Dennis Chitty  and
Ellen Phipps
J. R. Baker
Affiliation:
Department of Parasitology, London School of Hygiene and Tropical Medicine
Dennis Chitty
Affiliation:
Formerly Bureau of Animal Population, Department of Zoological Field Studies, University of Oxford
Ellen Phipps
Affiliation:
Formerly Bureau of Animal Population, Department of Zoological Field Studies, University of Oxford
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Extract

1. Thirty-six of 70 Microtus agrestis captured near Oxford, England, between January and July, 1961, were infected with blood parasites—9 with Trypanosoma microti Laveran & Pettit, 1909, 18 with Babesia microtia (França, 1912) and 19 with Grahamella microti Lavier, 1921: some had more than one species.

2. Morphologically indistinguishable parasites were found in 6 of 20 Clethrionomys glareolus (Babesia in 3, Trypanosoma in 2, and Grahamella in 1) and 2 of 4 Apodemus sylvaticus (Grahamella only). Hepatozoon sp. indet. was found in one C. glareolus.

3. It is probable that the proportion of M. agrestis with patent infections of G. microti increased, and possibly that due to T. microti fell, during February–April, 1961.

4. M. agrestis often have very enlarged spleens and it appeared that B. microtia (sometimes associated with T. microti) was commoner in the animals with the largest spleens.

Type
Research Article
Information
Parasitology , Volume 53 , Issue 1-2 , May 1963 , pp. 297 - 301
Copyright
Copyright © Cambridge University Press 1963

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References

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