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題 名 | 粗厚鰾線蟲(Anguillicola crassus)感染美洲鰻(Anguilla rostrata)之病理學研究=Pathology of Anguillicola Crassus Infection in the American eel, Anguilla Rostrata |
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作 者 | 林正忠; 黃鴻堅; 王渭賢; 張鴻猷; 吳純衡; 劉正義; | 書刊名 | 臺灣畜牧獸醫學會會報 |
卷 期 | 66:1 1996.03[民85.03] |
頁 次 | 頁39-44 |
分類號 | 439.5 |
關鍵詞 | 粗厚鰾線蟲; 美洲鰻; 病理學; Anguillicola crassus; Anguilla rostrata; Pathology; |
語 文 | 中文(Chinese) |
中文摘要 | 由於日本鰻鰻苗的價錢過高,故養殖業者引進美洲鰻鰻苗,但待於粗厚鰾線蟲 的寄生造成大量死亡。於病理切片檢查及寄生學鑑定結果顯示,才次疫情由於 Anguillicola crassus之成蟲及第四代仔蟲寄生於泳鰾內,且因大量吸血導致鰻苗貧血,並 引起鰾出血或慢性纖維化及腹膜炎,而且許多仔蟲浸潤於增生之結締組織中。經比較各期仔 蟲之大小,確定造成病變之仔蟲為第二期仔蟲。依據以往之報告,Anguillicola crassus 可感染日本鰻Anguilla japonica及歐洲鰻Anguilla anguilla,此次為粗厚鰾線蟲感染美 洲(Anguilla rostrata)之首次報告。 |
英文摘要 | Histopathology of American eel, Anguilla rostrata, infected with Anguillicola crassus in Taiwan was studied. The American elvers were imported from the United States, because of the lower price as compared with the locally caught A. japonica in Taiwan. A. crassus was the endemic parasite of the Japanese eels. The mortality of A. rostrata due to with A. crassus was higher than in A> japonica. However, the histopathological lesions caused by A. crassus in A. rostrata almost the same as in A. japonica. Presumably second stage larvae of A. crassus were observed to have migrated to the swimbladder wall, mesenteric adipose tissue and the mesentery, and then induced fibrous tissue proliferation but resulting in little inflammatory cell infiltration. Adult, preadult and fourth stage larvae of A. crassus were seen in the swimbadder, suggesting hemorrhage of the organ due to parasitism. It is thought that the parasites feeds on eels' erythrocytes, causing anemia and hypoproteinemia, and finally death. |
本系統中英文摘要資訊取自各篇刊載內容。