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On the viability of Fasciola gigantica metacercariae ingested by Lymnaea auricularia

Published online by Cambridge University Press:  05 June 2009

S. C. Yadav  and
S. C. Gupta
S. C. Yadav
Affiliation:
Division of Parasitology, Indian Veterinary Research Institute, Izatnagar-243122, U.P., India
S. C. Gupta
Affiliation:
Division of Parasitology, Indian Veterinary Research Institute, Izatnagar-243122, U.P., India
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Abstract

The effect of ingestion by Lymnaea auricularia on the viability and infectivity of Fasciola gigantica metacercariae was studied. The cyst wall was unaffected by the snail's digestive processes. Two rabbits, each infected with 50 ingested metacercariae, died at 83 and 87 days post-infection. Eight and 10 immature flukes were recovered from the livers, indicating that the metacercariae had remained infective after passing through the intestine of the snail.

Keywords

Fasciola giganticaLymnaea auriculariametacercariaeinfectivityrabbit

Information

Type
Research Note
Information
Journal of Helminthology , Volume 62 , Issue 4 , December 1988 , pp. 303 - 304
Copyright
Copyright © Cambridge University Press 1988

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References

Taylor, E. L. (1964) Fascioliasis and the liver fluke. F.A.O. of the United Nations. Rome.Google Scholar
Taylor, E. L. & Parfitt, J. W. (1957) Mouse test for the infectivity of metacercariae with particular reference to metacercariae of snail faeces. Transactions of the American Microscopical Society, 76, 327–328.CrossRefGoogle Scholar