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Exposure of Caged Biomphalaria glabrata (Say) to Investigate Dispersion of Miracidia of Schistosoma mansoni Sambon in Outdoor Habitats in St. Lucia *

Published online by Cambridge University Press:  05 June 2009

Edward Suchart Upatham
Edward Suchart Upatham*
Affiliation:
Research and Control Department, P.O. Box 93, Castries, St. Lucia, West Indies
*
*Staff member The Rockefeller Foundation
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Extract

1. Laboratory studies showed two types of cages to be suitable for exposing uninfected B. glabrata in field habitats as a means of locating S. mansoni miracidial infestations.

2. Tests conducted in tanks under simulated field conditions showed that miracidia moved away from the point of inoculation in non-random fashion and congregated at the margins of the tanks.

3. In a natural habitat, miracidia located and infected caged snails at distances of 33 cm vertically and 106·7 cm horizontally.

4. The pattern of infection was similar in the simulated field and field experiments, but field infection rates were lower.

5. For transmission studies in field habitats, caged laboratorybred snails should be placed at the margin of the habitat to ensure the maximum snail-miracidium interaction.

Type
Research Article
Information
Journal of Helminthology , Volume 46 , Issue 4 , December 1972 , pp. 297 - 306
Copyright
Copyright © Cambridge University Press 1972

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Footnotes

*

Part of a thesis submitted to the University of Michigan in partial fulfilment of the requirements for the degree of Doctor of Philosophy in the School of Natural Resources

References

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