1998년 9월 30일부터 10월 7일에 걸쳐서 강원도 동강 유역인 정선군 정선읍 귤암리, 정선읍 가수리, 신동읍 운치리, 신동읍 고성리, 신동읍 덕천리 등 5개 지역에서 투망으로 포획한 담수어 11종, 178마리를 대상으로 인공 소화액법을 이용하여 Metagonimus 속의 피낭유충에 의한 감염률을 조사하였다. 감염률은 퉁가리 (Liobagrus andersoni) 91.7% (l1/12), 돌상어 (Gobiobotia brevibarba) 75.0%

The present study was carried out to know the distribution of freshwater mollusk on the Chinese liver fluke in the middle of August, 1997 at the upper area of Kyungan stream located in Yongin Kun, Kyungki province. The snails were collected from the shallow and irrigation route in a rural area located along the upper area of Kyungan stream. The snails collected by hand were brought to the laboratory and cercariae naturally shed from the snails, Parafossarulus manchouricus were examined. Parafossarulus manchouricus is medically important intermediate host of the transmission of digenetic trematoda to human. Each snail was placed in aerated tap water for the detection of cercariae and examined for expelled cercariae. Infection rate of the cercariae of Clonorchis sinensis was 3 (1.5%) among 195 individuals collected in the habitat. The identification of the cercaria of Clonorchis sinensis was performed as described by Komiya and Tajimi.