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Temperature-dependent reproduction and survival of Gyrodactylus bullatarudis (Monogenea) on guppies (Poecilia reticulata)

Published online by Cambridge University Press:  06 April 2009

Marilyn E. Scott  and
D. J. Nokes
Marilyn E. Scott
Affiliation:
Department of Pure and Applied Biology, Imperial College, Prince Consort Road, London SW7 2BB
D. J. Nokes
Affiliation:
Department of Pure and Applied Biology, Imperial College, Prince Consort Road, London SW7 2BB
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Summary

Temperature-dependent survival and reproduction of Gyrodactylus bullatarudis Turnbull, 1956 were examined at 17, 21, 25·5, 27·5 and 30 °C on isolated guppies under conditions where parasite density dependence and host responses were minimized. Parasites had the longest life-span (5·5 days) at 21 °C, the highest average fecundity (1·73 offspring) at 25·5 °C and the highest instantaneous per capita birth rate (0·543/parasite/day) at 27·5 °C. The intrinsic rate of increase of the parasite population was maximum (0·230/parasite/day) at 27·5 °C. Data obtained from this study indicate that G. bullatarudis are not able to survive at 30 °C.

Type
Research Article
Information
Parasitology , Volume 89 , Issue 2 , October 1984 , pp. 221 - 228
Copyright
Copyright © Cambridge University Press 1984

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