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Journal of the Egyptian Society of Parasitology. 2003; 33 (1): 201-17
em Inglês | IMEMR | ID: emr-62836
ABSTRACT
The seasonal variation of Biomphalaria alexandrina and Bulinus truncatus populations and their infection rates with schistosome and other trematode cercariae were studied longitudinally in four water courses located in Giza and Fayoum governorates. The abundance of both species varied from year to year and according to the type of habitat. The mean prevalence of Schistosoma mansoni in Biomphalaria was 0.29% and that of S. Haematobium in Bulinus was 1.36%. The seasonal variations of age structure of the two vector snails were monitored throughout the survey period. Infection rates with schistosome and other trematodes among Bulinus and Biomphalaria increased with the increase in snail size. Data suggested the occurrence of an antagonistic interaction between schistosome and non- human cercariae, especially echinostome in infected snails
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Schistosoma mansoni / Estações do Ano / Caramujos / Esquistossomose Urinária / Bulinus / Infecções Idioma: Inglês Revista: J. Egypt. Soc. Parasitol. Ano de publicação: 2003

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Schistosoma mansoni / Estações do Ano / Caramujos / Esquistossomose Urinária / Bulinus / Infecções Idioma: Inglês Revista: J. Egypt. Soc. Parasitol. Ano de publicação: 2003