| positivity and intensity of gnathostoma spinigerum infective larvae in farmed and wild-caught swamp eels in thailand. | from july 2008 to june 2009, livers of the swamp eels (monopterus alba) were investigated for advanced third-stage larvae (al3) of gnathostoma spinigerum. results revealed that 10.2% (106/1,037) and 20.4% (78/383) of farmed eels from aranyaprathet district, sa kaeo province and those of wild-caught eels obtained from a market in min buri district of bangkok, thailand were infected, respectively. the prevalence was high during the rainy and winter seasons. the infection rate abruptly decreased in ... | 2012 | 22711921 |