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송철용,전상린 ( Chul Yong Song,Sang Rin Jeon ) 한국하천호수학회 1983 생태와 환경 Vol.16 No.3·4
The present survey was undertaken to observe the geographical distribution of metacercaria among the Plecoglossus altivelis, the most important second intermeiate host of Metagonimus yokogawai, which were collected from 1979 to 1981 in Gyeongsang Bug Do and Gyeonsang Nam Do of Korea. The results obtained were summerized as follows: 1. A total of 120 fishes collected from the coastal areas of the above 18 rivers was examined for the metacercarial and 79(71.2%) among them were infected with metacercariae of the species, M. yokogawai. The number of metacercariae in a fishes ranged from 0 to 1,983 and the mean of the metacercariae in a fishes was 1,908. 9. 2. It was observed that the infection rates showed 46.6% in Gyeongsang Bug Do. The infection rates differed from river to river showing 100% in Yeongdeog Oshib River, Hyeongsan Riveer and Daejong River, 72.7% in Songcheon River, 60.0% in Nagdong River and 33.1% in Nanjeong River in order. And no metacercarial infections in their fish host were found in the areas of Pyeonghae Namdae River, Chugsan River and Buheung River. 3. And it was also obseverd that the infection rate were 95.7% in Gyeongsang Nam Do. The higest rates (100%) of metacercarial infection were observed in Taewha River, Jwacheon River, Jindong River, Hoihwa River, Gohyeon River, Gucheon River and the other areas such as Dundeog River, Hoiya River and Weolnae River showed 66.7%. From the results of the surveys, it turned out that metacercarial infection of P. altivelis with M. yokogawai were found in the coastal areas throughout Gyeongsang Nam do and excepting a few areas in Gyeongsang Bug Do.