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Temperature-dependent survival and reproduction within populations of the ectoparasitic digenean Transversotrema patialense on the fish host

Published online by Cambridge University Press:  06 April 2009

C. A. Mills
C. A. Mills
Affiliation:
Zoology Department, King's College, London University, London WC2R 2LS
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Summary

The reproduction and survival of the ectoparasitic digenean Transversotrema patialense on the fish host Brachydanio rerio are shown to be temperature-dependent. Survival is reduced by any deviation from an optimum temperature of approximately 23°C. With increasing temperature the rate of egg production per surviving fluke rises progressively faster to a higher peak up to 29°C but falls to zero by 35°C. The span of egg production varies closely with the life-span of the parasite at each temperature. The optimum temperature for the total number of eggs produced by each cohort of parasites is also 23°C. This number is a function of both adult parasite survival and the rate of egg output.

Type
Research Article
Information
Parasitology , Volume 81 , Issue 1 , August 1980 , pp. 91 - 102
Copyright
Copyright © Cambridge University Press 1980

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References

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