Abstract
비브리오 감염증 (Vibriosis) 은 해산어에서 흔히 발생하는 세균성 감염증으로 어종에 따라 다양한 종이 분리, 발견되어지고 있다. 본 보고에서 병어로부터 TCBS한천배지에서 노란색 colony를 생성하는 비브리오속 세균이 분리되었고, 16S rRNA염기서열분석을 통하여 Vibrio scophthalmi로 확인하였다. 병어의 주요 증상으로 체표 출혈, 복강 내벽 출혈, 심한 장염, 복수 저류가 나타났다. 병리조직학적 관찰을 통하여 비장과 신장의 괴사, 장내 상피조직의 괴사, 탈락, 장의 상피하층인 점막고유층에서의 충, 출혈이 관찰되었다. 본 보고는 극동산 양식뱀장어에서의 V. scophthalmi 감염증례에 대한 첫 보고이다. Vibriosis is one of the most prevalent fish disease belonging to the genus Vibrio. In present study, Vibrio sp. isolated from Japanese eel was confirmed as Vibrio scophthalmi using analysis of the genomic sequence of 16S rRNA. The major signs were hemorrhage of body surface and inner surface of abdomen, severe enteritis and retention of ascitis. Histopathological examination revealed blood cell degenerations in various organs (gills, liver, spleen, kidney, heart, intestine), exfoliate of intestinal epithelium, and congestion and hemorrhage in intestinal lamina propria. This is the first case report on V. scophthalmi infection in Japanese eel Anguilla japonica.
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