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Infection dynamics of Diplostomum spathaceum cercariae and parasite-induced mortality of fish hosts

Published online by Cambridge University Press:  06 April 2009

P. Brassard ,
M. E. Rau  and
M. A. Curtis
P. Brassard
Affiliation:
Institute of Parasitology, McGill University, Macdonald College, Ste. Anne de Bellevue, P.Q., CanadaH9X 1CO
M. E. Rau
Affiliation:
Institute of Parasitology, McGill University, Macdonald College, Ste. Anne de Bellevue, P.Q., CanadaH9X 1CO
M. A. Curtis
Affiliation:
Institute of Parasitology, McGill University, Macdonald College, Ste. Anne de Bellevue, P.Q., CanadaH9X 1CO
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Extract

The present study deals with the infection dynamics of Diplostomum spathaceum and with the direct parasite-associated mortality of its experimental fish host, guppies (Lebistes reticulatis) and brook trout (Salvelinus fontinalis). The relationship between exposure density and cercarial penetration of the hosts is essentially linear. There is a significant decrease in the proportion of penetrating cercariae that establish themselves in the fish lens at a high exposure density. The host death rate increases exponentially with parasite burden in both guppies and brook trout.

Type
Research Article
Information
Parasitology , Volume 85 , Issue 3 , December 1982 , pp. 489 - 493
Copyright
Copyright © Cambridge University Press 1982

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References

Anderson, R. M. (1978) The regulation of host population growth by parasitic species. Parasitology 76, 119–57.CrossRefGoogle ScholarPubMed
Anderson, R. M. & Whitfield, P. J. (1975) Survival characteristics of the free-living cercarial populations of the ectoparasitic digenean Transversotrema patialensis (Soparker,1924). Parasitology 70, 295–310.CrossRefGoogle Scholar
Brassard, P., Rau, M. E. & Curtis, M. A. (1982) Parasite-induced susceptibility to predation in diplostomiasis. Parasitology 85, 495–501.CrossRefGoogle Scholar
Crowden, A. E. & Broom, D. M. (1980) Effects of the eye-fluke, Diplostomum spathaceum, on the behaviour of Dace (Leuciscus leucisus). Animal Behaviour 28, 287–94.CrossRefGoogle Scholar
Erasmus, D. A. (1959) The migration of Cercaria X Baylis (Strigeida) within the fish intermediate host. Parasitology 49, 173–190.CrossRefGoogle ScholarPubMed
Larson, O. R. (1965) Diplostomum (Trematoda: Strigeoidea) associated with herniation of bullhead lenses. Journal of Parasitology 51, 224–9.CrossRefGoogle Scholar
Pennycuick, L. (1971) Frequency distribution of parasites in a population of three spined sticklebacks Gasterosteus aculeatus L. with particular reference to the negative binomial distribution. Parasitology 63, 389–406.CrossRefGoogle Scholar
Ratanarat-Brockelman, C. (1974) Migration of Diplostomum spathaceum (trematode) in fish intermediate host. Zeitschrift für Parasitenkunde 43, 123–34.CrossRefGoogle Scholar
Rau, M. E., Gordon, D. M. & Curtis, M. A. (1979) Bilateral asymmetry of Diplostomum infections in the eyes of lake whitefish (Coregonus clupeaformis) (Mitchill) and a computer simulation of the observed metacercarial distribution. Journal of Fish Diseases 2, 291–7.CrossRefGoogle Scholar
Shariff, M., Richards, R. H. & Sommerville, C. (1980) The histopathology of acute and chronic infections of rainbow trout Salmo gairdneri Richardson with eye flukes, Diplostomum spp. Journal of Fish Diseases 3, 455–65.CrossRefGoogle Scholar