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1.
Southeast Asian J Trop Med Public Health ; 2007 Mar; 38(2): 294-301
Artículo en Inglés | IMSEAR | ID: sea-33085

RESUMEN

The study was conducted at 75 collecting loci in 15 districts of 11 provinces in Thailand during 1999-2004. A total of 12,079 live mollusks were collected, 11,874 were snails and 205 were clams. The snails were comprised of 39 species and classified into 9 families: Ampullariidae, Bithyniidae, Buccinidae, Potamiopsidae, Stenothyridae, Thiaridae, Viviparidae, Planorbidae and Lymnaeidae. The clams were comprised of 14 species classified into 2 families: Amblemidae and Corbiculidae. Fifteen species were medically important snails: Pomacea canaliculata, Pila ampullacea, P. pesmei, P. polita, Bithynia (Digoniostoma) funiculata, B. (D.) siamensis goniomphalos, B. (D.) s. siamensis, Filopaludina (Siamopaludina) martensi martensi, F. (Filopaludina) sumatrensis polygramma, Melanoides tuberculata, Tarebia granifera, Helicorbis umbilicalis, Gyraulus convexiusculus, Indoplanorbis exustus and Radix rubiginosa. Of these 3 snail species harbored trematode cercariae. I. exustus harbored Echinostoma malayanum, Xiphidio and Schistosoma spindale, and R. rubiginosa and B. (D.) siamensis goniomphalos harbored Xiphidio and intestinal flukes, respectively.


Asunto(s)
Animales , Conservación de los Recursos Naturales , Vectores de Enfermedades , Agua Dulce/parasitología , Geografía , Humanos , Moluscos/clasificación , Mariscos/clasificación , Caracoles/parasitología , Tailandia , Trematodos/aislamiento & purificación , Abastecimiento de Agua
2.
Southeast Asian J Trop Med Public Health ; 2005 May; 36(3): 653-7
Artículo en Inglés | IMSEAR | ID: sea-34709

RESUMEN

A snail survey was performed in six districts around irrigation areas of Lampao Dam, in Kalasin Province. The survey caught a total of 5,479 live snails and classed them into five families, 12 genera and 15 species, of which 7 species are suspected of transmitting human parasitic diseases. The seven species were Pila polita, Pomacea canaliculata, Filopaludina (S.) m. martensi, Bithynia (Digoniostoma) siamensis goniomphalos, Melanoides tuberculata, Radix rubiginosa, and Indoplanorbis exustus. Of these, B. (D.) s. goniomphalos and I. exustus were found to harbor emergent cercariae. Only B. (D.) s. goniomphalos hosted several types of cercariae--Opisthorchis viverrini, unidentified species of intestinal flukes, echinostomes, xyphidio and furcocercous cercariae. Indoplanorbis exustus shed only echinostome cercariae. B. (D.) s. goniomphalos showed a rather high natural infection rate with O. viverrini, 1.3% in Yang Talat district, and 0.61% in Kamalasai district, in Kalasin Province.


Asunto(s)
Agricultura , Animales , Desastres , Vectores de Enfermedades , Echinostoma/aislamiento & purificación , Planificación Ambiental , Agua Dulce/parasitología , Interacciones Huésped-Parásitos , Humanos , Intestinos/parasitología , Moluscos/clasificación , Opisthorchis/aislamiento & purificación , Schistosoma/aislamiento & purificación , Mariscos/clasificación , Tailandia , Trematodos/aislamiento & purificación , Movimientos del Agua
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