Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-26T08:52:04.494Z Has data issue: false hasContentIssue false
  • English
  • Français

Studies of the relationships between Schistosoma nasale and S. spindale and their snail host Indoplanorbis exustus

Published online by Cambridge University Press:  05 June 2009

J. de Bont ,
J. Vercruysse ,
D. van Aken ,
V. R. Southgate  and
D. Rollinson
J. de Bont
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, State University of Gent, Casinoplein 24, 9000 Gent, Belgium
J. Vercruysse
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, State University of Gent, Casinoplein 24, 9000 Gent, Belgium
D. van Aken
Affiliation:
Department of Parasitology, Faculty of Veterinary Medicine, State University of Gent, Casinoplein 24, 9000 Gent, Belgium
V. R. Southgate
Affiliation:
Department of Zoology, The Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, UK
D. Rollinson
Affiliation:
Department of Zoology, The Natural History Museum, Cromwell Road, South Kensington, London SW7 5BD, UK
Get access Rights & Permissions [Opens in a new window]

Abstract

Infectivity and cercarial production of Indoplanorbis exustus related to variation of miracidial dose (1, 4, 10 or 20) with Schistosoma nasale and S. spindale from Sri Lanka were studied. The intermediate host-parasite relationships of the two schistosome species showed marked differences under the conditions of observation recorded in this study. Prepatent death rates (PDR) were on average higher for S. spindale (30%) than for S. nasale (10%). The size of the miracidial dose to which snails had been exposed had no effect on PDR. The infection rates (IR) were on average higher for S. nasale (41%) compared with S. spindale (27%). Highest IR occurred after exposure to 4 miracidia in S. nasale infections (79%) and after exposure to 10 miracidia in S. spindale infections (6O%). The highest daily average cercarial production per snail was recorded for S. nasale at a level of 4 miracidia (1311), and for S. spindale at a level of 10 miracidia (1615). At low level (1 or 4 miracidia) of exposure, I. exustus showed a better compatibility with S. nasale than with S. spindale. An opposite tendency was observed at higher levels (10 or 20 miracidia) of exposure. Unsuccessful infections of Lymnaea luteola with either S. nasale or S. spindale indicate that this species is not involved in transmission.

Keywords

Schistosoma nasaleSchistosoma spindaleIndoplanorbis exustuscompatibilitycercarial production
Type
Research Papers
Information
Journal of Helminthology , Volume 65 , Issue 1 , March 1991 , pp. 1 - 7
Copyright
Copyright © Cambridge University Press 1991

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Chu, K. Y., Sabbaghian, H. & Massoud, J. (1966) Host-parasite relationship of Bulinus truncatus and Schistosoma haematobium in Iran. II. Effect of exposure dosage of miracidia on the biology of the snail host and the development of the parasites. Bulletin of the World Health Organization, 34, 121–130.Google Scholar
Combes, C. (1985). Les transmissions vectorielles. L'analyse de la compatibilité schistosomes/mollusques vecteurs. Bulletin de la Société de Pathologie Exotique, 78, 742–746.Google Scholar
De Bont, J., Van Aken, D., Vercruysse, J., Fransen, J., Southgate, V. R. & Rollinson, D. (1989) The prevalence and pathology of Schistosoma nasale Rao, 1933 in cattle in Sri Lanka. Parasitology, 98, 197–202.CrossRefGoogle ScholarPubMed
Dutt, S. C. & Srivastava, H. D. (1968) Studies on Schistosoma nasale Rao, 1933. II. Molluscan and mammalian hosts of the blood-fluke. Indian Journal of Veterinary Science, 38, 210–216.Google Scholar
Frandsen, F. (1975). Host-parasite relationship of Bulinus forskali (Ehrenberg) and Schistosoma intercalatum Fisher 1934, from Cameroun. Journal of Helminthology, 49, 73–84.CrossRefGoogle Scholar
Frandsen, F. (1979) Studies of the relationship between Schistosoma and their intermediate hosts. I. The genus Bulinus and Schistosoma haematobium from Egypt. Journal of Helminthology, 53 15–29.CrossRefGoogle ScholarPubMed
Frandsen, F., Bennike, T. & Cridland, C. C. (1978). Studies on Schistosoma intercalatum Fisher, 1934 and its intermediate snail host in the Kisangani area, Zaïre. Annales de la Société Belge de Médecine Tropicale, 58, 21–31.Google ScholarPubMed
Kumar, V. & De Burbure, G. (1986) Schistosomes of animals and man in Asia. Helminthological Abstracts (Series A), 55, 469–480.Google Scholar
Lwambo, N. J. S., Upatham, E. S., Kruatrachue, M. & Viyanant, V. (1987) The host- parasite relationship between the Saudi Arabian Schistosoma mansoni and its intermediate and definitive hosts. I. S. mansoni and its local snail host Biomphalaria arabica. Southeast Asian Journal of Tropical Medicine and Public Health, 18, 156–165.Google Scholar
Mouahid, A. & Combes, C. (1987) Genetic variability of Schistosoma bovis cercarial production according to miracidial dose. Journal of Helminthology, 61, 89–94.CrossRefGoogle ScholarPubMed
Mouahid, A. & Theron, A. (1987) Schistosoma bovis: Variability of cercarial production as related to the snail hosts: Bulinus truncatus, B. wrighti and Planorbarius metidjensis. International Journal for Parasitology, 17, 1431–1434.CrossRefGoogle Scholar
Muraleedharan, K., Kumar, S. P., Hegde, K. S. & Alwar, V. S. (1975) Experimental infection of Indoplanorbis exustus (Deshayes) with miracidia of Schistosoma nasale Rao, 1933. Current Research, 4, 116–117.Google Scholar
Pesigan, T. P., Hairston, N. G., Jauregui, J. J., Garcia, E. G., Santos, A. T., Santos, B. C. & Besa, A. A. (1958) Studies on Schistosoma japonicum infection in the Philippines. II. The molluscan host. Bulletin of the World Health Organization, 18, 481–578.Google Scholar
Rao, M. A. N. (1934) A comparative study of Schistosoma spindalis, Montgomery, 1906 and Schistosoma nasalis, n.sp. Indian Journal of Veterinary Science and Animal Husbandry, 4, 1–28.Google Scholar
Sewell, R. B. S. (1922) Cercariae indicae. Indian Journal of Medical Research, 10 (suppl.), 1–370.Google Scholar
Sturrock, B. M. & Sturrock, R. F. (1970) Laboratory studies of the host-parasite relationship of Schistosoma mansoni and Biomphalaria glabrata from St Lucia, West Indies. Annals of Tropical Medicine and Parasitology, 64, 357–363.CrossRefGoogle ScholarPubMed
Theron, A. (1985) Dynamiques de production des cercaires de Schistosoma mansoni en relation avec les variations de Ia dose miracidiale proposée au mollusque vecteur Biomphalaria glabrata. Annales de Parasitologie Humaine et Comparée, 60, 665–674.CrossRefGoogle Scholar
Webbe, G. & James, C. (1972) Host-parasite relationships of Bulinus globosus and B. truncatus with strains of Schistosoma haematobium. Journal of Helminthology, 46, 185–199.CrossRefGoogle Scholar