Patterns in size and shedding of fasciola hepatica eggs by naturally and experimentally infected murid rodents
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Patterns in size and shedding of fasciola hepatica eggs by naturally and experimentally infected murid rodents

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Patterns in size and shedding of fasciola hepatica eggs by naturally and experimentally infected murid rodents

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dc.contributor.author Valero Aleixandre, María Adela
dc.contributor.author Panova, Miroslava
dc.contributor.author Comes, Ana M.
dc.contributor.author Fons, Roger
dc.contributor.author Mas-Coma, S.
dc.date.accessioned 2010-08-09T10:39:31Z
dc.date.available 2010-08-09T10:39:31Z
dc.date.issued 2002
dc.identifier.uri http://hdl.handle.net/10550/16781
dc.description.abstract Using samples collected on the island of Corsica, a comparative study was done of the morphometry of Fasciola hepatica eggs shed by cattle and by naturally and experimentally infected murid rodents (wild Mus musculus and Rattus rattus and Rattus norvegicus Wistar laboratory strain). Eggs shed by murids are smaller in size than those shed by naturally infected cattle. A second study analyzed the number of F. hepatica eggs shed in murid feces at different time intervals, i.e., months, days, and 6-hr periods, by the Kato-Katz technique. Both experimentally and naturally infected black rats (R. rattus) were used, and Wistar rats were experimentally infected and included for comparison. The present studies prove that black rats R. rattus are able to shed eggs independently from the liver fluke isolate and that egg shedding occurs throughout the life of this host species, uninterrupted during all the months analyzed in a 2-yr period. Moreover, the results suggest that this shedding is continuous, with eggs appearing in the feces daily. The results on egg shedding by wild black rats R. rattus reach their maximum shedding in spring and autumn and a maximum during twilight hr. These chronobiological patterns appear to favor parasite transmission, both seasonally and daily. en
dc.language.iso en en
dc.relation http://www.journalofparasitology.org/doi/pdf/10.1645/0022-3395%282002%29088%5B0308%3APISASO%5D2.0.CO%3B2 en
dc.source VALERO ALEIXANDRE, M Adela ; Panova, Miroslava ; Comes, Ana M. ; Fons, Roger ; Mas-Coma, Santiago, 2002, Patterns in size and shedding of fasciola hepatica eggs by naturally and experimentally infected murid rodents, Journal of Parasitology, vol. 88, no. 2, p. 308–313 en
dc.subject Patterns in size ; Fasciola hepatica eggs ; Infected murid rodents en
dc.title Patterns in size and shedding of fasciola hepatica eggs by naturally and experimentally infected murid rodents en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS DE LA VIDA en
dc.subject.unesco UNESCO::CIENCIAS DE LA VIDA::Biología animal (Zoología) ::Parasitología animal en
dc.description.private Valero Aleixandre, M Adela, Madela.Valero@uv.es en
dc.identifier.idgrec 027878 en

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