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dc.contributor.authorManga-González, M. Yolanda-
dc.contributor.authorGonzález Lanza, Camino-
dc.contributor.authorCabanas, Elena-
dc.contributor.authorCampo, Raquel-
dc.identifier.citationParasitology 123 Suppl: S91-S114 (2001)en_US
dc.description.abstractAn epidemiological study on dicrocoeliosis caused by Dicrocoelium dendriticum was carried out on sheep, molluscs and ants in the mountains of León province (NW Spain) between 1987-1991. The results concerning the intermediate hosts and a review of some aspects of dicrocoeliosis are summarized. Mollusc collection for the helminthological study was random throughout the study area at fortnightly intervals. Twenty-nine Gastropoda species were identified. D. dendriticum infection was only detected in 2.98%, of the 2084 Helicella itala examined and in 1.06% of 852 H. corderoi. The highest infection prevalence was detected in H. itala in September and in H. corderoi in February. Daughter sporocysts with well-developed cercariae predominated in spring and autumn. Infection prevalence increased with mollusc age and size. Ants were collected from anthills or plants to which they were attached. The behaviour of ants in tetania was followed. Twenty-one Formicidae species were identified, but only the following harboured D. dendriticum: Formica cunicularia (1158 examined specimens, 0.69% infection prevalence, 2-56 metacercariae per ant); F. sanguinea (234, 1.28%, 2-63); F. nigricans (1770, 4.97%, 1-186); F. rufibarbis (288, 6.59%, 2-107). In a flat area close to León town, 95.39% of the 2085 F. rufibarbis specimens collected in tetania contained metacercariae (1-240) in the abdomen. These were used for parasite characterization by isoelectric focusing and to infect lambs and hamsters. Only one brainworm per ant was found.en_US
dc.description.sponsorshipThis study was supported by the "Junta de Castilla y León" (Project No. 0701/89), by the British Council-Spanish Ministry of Education and Science (Joint Research Programme 1991-1993) and by the Spanish CICYT (Project No. AG92-0588, 1FD97-0776 and 1FD97-1313-CO2-02)en_US
dc.format.extent2167543 bytes-
dc.publisherCambridge University Pressen_US
dc.subjectDicrocoelium dendriticumen_US
dc.subjectMollusc and ant intermediate hostsen_US
dc.titleContributions to and review of dicrocoeliosis, with special reference to the intermediate hosts of Dicrocoelium dendriticumen_US
dc.description.peerreviewedPeer revieweden_US
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