查詢結果分析
來源資料
頁籤選單縮合
題 名 | 2004年臺灣家禽流行性感冒監測=Surveillance of Avian Influenza in Taiwan in 2004 |
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作 者 | 鄭明珠; 李敏旭; 郭舒亭; 李淑慧; 蕭終融; 宋華聰; | 書刊名 | 行政院農業委員會家畜衛生試驗所研究報告 |
卷 期 | 40 民94.12 |
頁 次 | 頁19-24 |
分類號 | 437.257 |
關鍵詞 | 家禽流行性感冒; 病毒監測; Avian influenza; Virologic surveillance; |
語 文 | 中文(Chinese) |
中文摘要 | 為持續性監測家禽流行性感冒(avian influenza; AI)在臺灣野鳥及家禽的帶毒情形及疫情。野鳥樣本主要為候鳥季期間採集自臺北、宜蘭、臺南、彰化、嘉義及金門的水鳥棲地排遺檢體。2004年1至12月共完成野鳥監測計3,351個樣本,監測得17株禽流感病毒,亞型別有H10N3、H6N5、H4N6、H4N2、H4N8、H5N2、H5N6、H11N9、H10N6九種,其中有5株病毒為H4N6,5株病毒為H11N9。監測到的家禽流行性感冒病毒仍然主要來自鴨科鳥類,因此集中於鴨科鳥類遷徙來臺的前幾個月(10月至12月)。九月於彰化的繫放鳥類中杓鷸分離出一株H6N5病毒,證實臺灣遷徙鳥類中之鷸鴴科也帶毒,12月在臺北關渡監測到H5N2及H5N6病毒,係首次在臺灣野鳥監測到H5亞型病毒株,然經病原性鑑定為弱毒株。家禽場監測樣本來自發現H5或H7病毒陽性周圍三公里場監測及H5或H7抗體陽性場之病毒監測。同時H5或H7病毒陽性場清場後之哨兵家禽監測也列入本監測內。今年1至12月總計監測4,814個病毒監測用樣本,只有在1至2月監測到三場有H5N2病毒,以IVPI鑑定其毒力均為弱毒,其中一場為養鴨場,養鴨場的病毒株經基因序列分析,與雞場分離之病毒株差異大,顯示這株鴨源H5N2並非是雞場H5N2的來源株。 |
英文摘要 | The purpose of this surveillance is to realize epidemiology of avian influenza in Taiwanese wild birds and poultry farms. In 2004, a total of 3,351 of fecal samples from wild birds were examined. Seventeen viruses were isolated and subtyped as H10N3, H6N5, H4N6, H4N2, H4N8, H5N2, H5N6, H11N9 and H10N6. Most of these viruses were isolated from duck fecal samples; however two viruses, H6N5 and H5N2, were isolated from shorebird. In addition, 3 strains of H5N2 viruses were isolated from 4,814 samples collected from poultry farms, including 2 from chicken farms and one from domestic duck farm. All isolated AIVs were demonstrated to be low pathogenic viruses. From nucleotides sequence analysis of gene segments of haemagglutinin (H) and neuroaminidase (N) revealed that H5N2 viral strain isolated from domestic duck and chicken were different originate. |
本系統中英文摘要資訊取自各篇刊載內容。