differential diagnosis of opisthorchiid and heterophyid metacercariae (trematoda) infecting flesh of cyprinid fish from nam ngum dam lake in laos. | the examination of flesh of 313 cyprinid fish from the nam ngum water reservoir in vientiane province, laos, revealed the presence of four morphologically similar opisthorchiid and heterophyid metacercariae of medical importance. the following morphological characters, visible under dissecting microscope with low magnification, were typical of trematodes recorded in fish: (1) opisthorchis viverrini, the liver fluke, has oval cysts containing quickly moving c-shaped metacercariae provided with a ... | 1991 | 1822880 |
occurrence of some medically important flukes (trematoda: opisthorchiidae and heterophyidae) in nam ngum water reservoir, laos. | occurrence of some medically important flukes transmitted to man by eating of raw fish was observed at 18 localities of nam ngum water reservoir, an important source of fish for inhabitants of vientiane province, laos. cercariae of opisthorchis viverrini were recorded in 0.9% of bithynia siamensis goniomphalus examined but in the most populated sites, where the density of the snails was the highest up to 2.2% of the intermediate hosts were infected. haplorchis cercariae were found in 2.0% of tar ... | 1990 | 2075492 |
helminth parasites of cats from the vientiane province, laos, as indicators of the occurrence of causative agents of human parasitoses. | a total of 55 domestic cats (felis catus f. domestica) and one wild (bengal) cat (prionaluirus bengalensis) from the vientiane province, central laos, were examined for helminth parasites with emphasis given to potential human parasites. the following species were found (parasites infective to man marked with an asterisk): opisthorchis viverrini, haplorchis pumilio, h. taichui, h. yokogawai, stellantchasmus falcatus (digenea); spirometra sp., dipylidium caninum, taenia taeniaeformis (cestoda); c ... | 2003 | 14710631 |