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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

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.citation	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.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.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	journal article	es_ES
dc.subject.unesco	UNESCO::CIENCIAS DE LA VIDA	en
dc.subject.unesco	UNESCO::CIENCIAS DE LA VIDA::Biología animal (Zoología) ::Parasitología animal	en
dc.identifier.idgrec	027878	en
dc.type.hasVersion	VoR	es_ES
dc.identifier.url	http://www.journalofparasitology.org/doi/pdf/10.1645/0022-3395%282002%29088%5B0308%3APISASO%5D2.0.CO%3B2	en