【用戶】終於.......

【年級】大四下

【評論內容】(A)參考：Phenotypic and genetic characterization of Streptococcus dysgalactiae strains isolated from fish collected in Japan and other Asian countries參考：Streptococcus dysgalactiae: An emerging pathogen of fishes and mammals(B)感染鏈球菌的魚隻臨床上會出現食慾減低、體色變黑、單側或雙側的眼球突出、角膜混濁、行動遲緩、泳姿異常、腹部及肛門周圍體表出血、腹水、消瘦及死亡。參考：Group C Streptococcus dysgalactiae infection in fish參考：https://ws.kcg.gov.tw/001/KcgUploadFiles/263/relfile/7081/62492/0db76001-7c91-47d0-8a4c-bd1c545c4a20.pdf(C)魚隻體色變黑(darkening)、浮游於池面、具神經症狀樣之異常泳姿erratic swimming (such as spiraling or spinning);、倦躺於池邊等。剖檢上各種魚種主要可見體表多處出血病灶，部份魚之可見眼球突出(exphthalmia)、或角膜混濁 (cornel opacity )肝臟充出血，鰓蓋內充出血、鰓絲潮紅，腹水(ascites)、腹膜炎 (peritonitis)、脾臟腫大(enlargement of spleen)及偶有於體表及肛門有出血之病變(petchiae around the anus)另於金目鱸之鏈球菌感染症中偶可見出肌肉出血情形等病變(圖1)(Tung et al 1985)(D)本病好發於夏季或水溫高季節參考：https://aqua.nvri.gov.tw/disSheet.aspx?id=otl7RAA6EH8%3D