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Title: Trematode infection of freshwater snail, family bithyniidae in Thailand
Authors: Jutharat Kulsantiwong
Sattrachai Prasopdee
Supawadee Piratae
Panita Khampoosa
Chalida Thammasiri
Apiporn Suwannatrai
Thidarut Boonmars
Vithoon Viyanant
Jiraporn Ruangsitichai
Pairat Tarbsripair
Smarn Tesana
Khon Kaen University
Rajabhat University
Thammasat University
Mahidol University
Keywords: Medicine
Issue Date: 1-Jan-2015
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.46, No.3 (2015), 396-405
Abstract: © 2015, SEAMEO TROPMED Network. All rights reserved. Opisthorchis viverrini is restricted to and requires for its aquatic life cycle only Bithynia snail as first intermediate host but many species of cyprinid fish as second intermediate hosts. A survey in Thailand of trematode infection in freshwater snails of the family Bithyniidae carried out during October 2008 - July 2009 found a total of 5,492 snails, classified into ten species distributed in various geographic areas. Bithynia funiculata and Gabbia pygmaea were localized to the north, B. s. goniomphalos, Wattebledia siamensis and W. crosseana to northeast and B. s. siamensis, Hydrobioides nassa and G. wykoffi to central region. W. baschi and G. erawanensis was found only in the south and Erawan waterfall, Kanchanaburi Province, respectively. Trematode infection rate was 3.15%. Cercariae were identified as belonging to six types, namely, amartae, monostome, mutabile, O. viverrini, virgulate, and unknown. The prevalence of cercarial infection in B. s. goniomphalos of amartae, mutabile, O. viverrini, virgulate, and unknown type cercaria was 0.55%, 0.74%, 1.07%, 2.87%, and 0.37%, respectively, and in B. s. siamensis monostome (1.10%) and virgulate (0.55%). Only virgulate cercariae were shed from W. crosseana (3.85%) and W. siamensis (5.19%). Cercariae of the unknown type were found in G. wykoffi (1.69%). No infection of O. viverrini cercariae was detected in the other species.
ISSN: 01251562
Appears in Collections:Scopus 2011-2015

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