埃及斑蚊,英文名為yellow fever mosquito,學名為Aedes aegypti,是白紋伊蚊的近親。720Please respect copyright.PENANAMhjPmobMf2
720Please respect copyright.PENANA7rrwZhcTOX
(圖1)男性品種不會叮人,只有女性品種才會叮人,藉著吸血等途徑傳播登革熱(Dengue Fever)等疾病。720Please respect copyright.PENANA3KVEjQzXuW720Please respect copyright.PENANAZllPGcLoVp
720Please respect copyright.PENANA9giGmJhcIj
殺蟲劑雖能殺滅蚊子,但蚊子亦逐漸展示出對殺蟲劑的抗藥性。720Please respect copyright.PENANA02d88Hswpp
720Please respect copyright.PENANATKLgXTnrfW
而基於殺蟲劑會污染環境及危害部份雀鳥昆蟲健康關係,建立另類對付播毒蚊子的方法可謂有著絕對的迫切性。720Please respect copyright.PENANAVEFvg3B9UJ
720Please respect copyright.PENANATiafjh2hEm720Please respect copyright.PENANAJsUgghZx64
720Please respect copyright.PENANAURoJwxukiY
(圖2)有見及此,Oxitec公司(現為美國公司收購)培養出埃及斑蚊OX513A品種。720Please respect copyright.PENANA6OPrWUpcWI
牠們在幼蟲的時候需要四環黴素(Tetracycline)才能成功生長。在實驗室培植的時候,研究人員會在食物裡提供四環黴素,但當他們被放到野外的時候,便再也沒能取得足夠的四環黴素,沒能順利生長成為蚊子。720Please respect copyright.PENANAUPOKmIDmM0
720Please respect copyright.PENANA5OqcXvJ3vO
男性埃及斑蚊OX513A品種與女性正常品種交配的話,將有機會產生正常品種及OX513A品種的蚊卵。720Please respect copyright.PENANAXp4KUwqB5A
720Please respect copyright.PENANArZJDNBRx9x
在野外缺乏四環黴素的情況下,正常品種有86–88%成功長大為蚊子,而OX513A品種則只有3-4%的成功率。720Please respect copyright.PENANAGgaRazuAZX
720Please respect copyright.PENANAYzKrG9qV9u
以這個方式推算下去的話,蚊子下一代的比率將會大幅度減低。720Please respect copyright.PENANALmKBfgNWEY
720Please respect copyright.PENANAUwu5kFRb4j720Please respect copyright.PENANAlvPoPp19ow
720Please respect copyright.PENANAiePB5xzLLS
(圖3)Oxitec公司在2010年英國開曼群島藉著此方式消除80%野外埃及斑蚊。720Please respect copyright.PENANA7EJHITO74A
而亦在2013年巴西巴伊亞州順利用上同樣方式消除~90%野外埃及斑蚊。720Please respect copyright.PENANAT7AOlQZaCM
720Please respect copyright.PENANAZr34pLtTHQ
今年2020年8月,他們同樣依這種方式在美國佛羅里達發放男性男性埃及斑蚊OX513A品種。720Please respect copyright.PENANAzs9xCG7s3R
720Please respect copyright.PENANAqSx1gzdHom
此舉泛起不少反對聲音,不乏違反動物權利及人權等等。720Please respect copyright.PENANA7ubUlLuthu
720Please respect copyright.PENANAW1jTvd5XMW
亦有人認為此舉會破壞生態平衡,奈何此方法只會滅殺埃及斑蚊,不會影響其他蚊子品種,其他物種可照樣進食其他蚊子品種代替,不見得有任何大影響。720Please respect copyright.PENANAT6lbhHlzD7
720Please respect copyright.PENANAkPsjab7GwK
至於亦有人認為埃及斑蚊有機會因而大遷徙到第二區域,這點反而有著潛在的可能性,值得探討一下。
**
睇番一大輪資料後,發覺原來依篇文所寫的方法係佢哋用係巴西的方法,18個月之內係有成效,之後蚊子數量回升。720Please respect copyright.PENANAJ8jH60k5VH
720Please respect copyright.PENANAzTaEdCNaqO
今次美國所用的方法係OX5034,同舊原理差唔多,但女性BB會死,而男性BB唔會。720Please respect copyright.PENANA6oVrLisJqj
720Please respect copyright.PENANAYjrqtItTjd
無睇到佢哋媒體資料,只係睇咗佢哋之前所發出的學術文章,所以資料有錯,對不起。
**
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。720Please respect copyright.PENANAg4XcSjz5k3
720Please respect copyright.PENANAND0YkIVW3J
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc720Please respect copyright.PENANA1HyCz7F2ls
720Please respect copyright.PENANAXbfNvedcV6
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。720Please respect copyright.PENANAK5bMCExHj0
720Please respect copyright.PENANA6ON2qanpmm
Link:720Please respect copyright.PENANAEoi5Bh47nT
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio720Please respect copyright.PENANA4yDC8xXakx
720Please respect copyright.PENANAgMo7NBqtfb
720Please respect copyright.PENANAO4uA6Skeuo
有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。720Please respect copyright.PENANAx4b0RLkEpR
720Please respect copyright.PENANAsZgN7voT8r
720Please respect copyright.PENANARrVd0MaoPF
Ref:720Please respect copyright.PENANAMH2d13KF6k
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6072261/#R3720Please respect copyright.PENANAaLn4Z5eZBS
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4489809/720Please respect copyright.PENANA8thdMnZgdv
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1865532/720Please respect copyright.PENANAfG3PnxoeU3
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4063546/
00
ns216.73.216.153da2