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題 名 | Natural Infection of Mosquitoes with Dirofilaria Immitis in Northern Taiwan=臺灣北部天然感染犬心絲蟲之蚊蟲 |
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作 者 | 吳金正; 陳正成; 范秉真; | 書刊名 | 中華民國獸醫學會雜誌 |
卷 期 | 23:1 1997.02[民86.02] |
頁 次 | 頁12-20 |
分類號 | 437.257 |
關鍵詞 | 犬心絲蟲; 蚊子; 自然感染; 臺灣北部; Dirofilaria immitis; Mosquitoes; Natural infection; Northern Taiwan; |
語 文 | 英文(English) |
英文摘要 | 本研究自1993年4月至1995年12月止,在臺北市北投區泉源里、國立陽明大學動物 中心、苗栗市及新竹市,共採集 3,252 隻熱帶家蚊、17 隻三斑家蚊、75 隻白線斑蚊、116 隻白腹叢蚊及 2 隻中華瘧蚊。將蚊子帶回本校昆蟲室,用 5% 糖水飼養 14-20 天後,用冰 凍麻醉,在解剖顯微鏡下解剖檢查,犬心絲蟲自然感染率熱帶家蚊 4.3%、白線斑蚊 1.3%。 三班家蚊、 白腹叢蚊及中華瘧蚊均為陰性結果。 熱帶家蚊及白線斑蚊之感染度分別為 2.1 及 3.0。熱帶家蚊檢獲第三期幼蟲 290 隻。在一隻白線斑蚊檢獲 2 隻第二期黑化幼蟲及一 隻第三期幼蟲。 感染率在 6 月最高 (11%),1 月最低 (0.9%)。幼蟲平均檢獲率 4 月最高 (3.7),8 月最低 (1.4)。犬心絲蟲之幼蟲在 1 隻熱帶家蚊檢獲之數目 1-12 隻,惟在大部 份蚊體內只檢獲一隻幼蟲 (77/139)。 研究結果顯示熱帶家蚊在臺灣北部為傳播犬心絲蟲之 主要媒介。 chus, Ar. subalbatus, and Anopheles sinensis. The intensity of D. immitis larvae in Cx. quinquefasciatus and Ae. albopictus were 2.1 and 3.0, respectively. All 290 D. immitis larvae collected from Cx. quinquefasciatus were in the third stage and two melanized second stage larvae and one third stage larva were found in a mosquito of Ae. melanized second stage larvae and one third stage larva were found in a mosquito of Ae. albopictus. The infection rate was highest in June (11.0%) and lowest in January 0.9% and the mean number of larvae collected was highest in April (3.7) and lowest in August (1.4). The number of D. immitis larvae collected from Cx. quinquefasciatus ranged from 1 to 12 and most (77/139) of the mosquitoes harbored only one larva. From the results of this study, Cx. quinquefasciatus is the most important vector of D. immitis in northern Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。