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        초겨울 비단잉어에서 발생한 Aeromonas hydrophila에 의한 대량 폐사

        박성빈,노성원,장호빈,차인석,리쉬케이쉬 달비,김영림,하미애,정태성 한국임상수의학회 2009 한국임상수의학회지 Vol.26 No.3

        Mass mortality was occurred in adult koi carp (Cyprinus carpio) at a private pond near Samchunpo city in the early November, 2007. Its water temperature was 11oC and turbidity was very high. The fishes diseased were shown widely distributed hemorrhages, deep ulcerations on the whole body surface and severe erosions in the all fins. In necropsy, excess ascitic fluid was observed and spleen and kidney affected were enlarged. In microscopic observation, it was examined widely distributed severe dermal ulceration, multifocal gill lamella hyperplasia, severe fibrinous pericarditis, multifocal nephritis and hepatitis. The bacteria suspected were isolated using tryptone soya agar and identified as motile Aeromonas hydrophila as results of biochemical tests using API 20E and 20NE. According to previous reports, A. hydrophila infection were mainly occurred in fingerling at high temperature. However, this case exhibited that A. hydrophila infection can develop on adult koi carp even in the winter season.

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