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登革熱病媒蚊防治 化學藥劑探討. 疾病管制局第四分局 王欽賢. 避免被蚊蟲叮咬. 殺蟲劑噴灑 — 殺死成蚊. 孳生源清除 — 殺 死孒孓. 登革熱傳播途徑. 第一次孳生源清除. 帶病毒的雌蚊. 第二次孳生源清除. 正在發病的登革熱患者. 可感染期 0-5 天. 蚊蟲體內繁殖期 8-12 天. 被叮但未發病的登革熱患者. 潛伏期 5-8 天. 可感染期 0-5 天. 蚊蟲體內繁殖期 8-12 天. 第一次噴藥. 第二次噴藥. 7 天. 7 天. 台灣南部住宅區斑蚊棲息場所. *2003 年在高雄市、高雄縣及縣屏東縣進行一年調查. - PowerPoint PPT Presentation
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77
*2003
1993)
1993)
9-10 4-5
Pesticides PesticidesInsecticides AcaricideRodenticideHerbicide MuscaricideRepellent Fungicide or Bacteriocide
::::
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(toxicity):LD50(:mg/kg)50%(hazard):
LD50LC50LD50LC50:::DDTHCH:
():():():: :
--ActiveingredientAI
(Organochlorines):ChlodaneDDT(lindane)Dieldrin
(Organophosphates)Diazinon1997DichlorvosDDVPDimethoatefenchlorphose,1991
ChlorpyrifosFenitrothionSumithionPirimiphos-methylActellicTemephosAbateFenthionBaytex(Malathion)NaledDibromTrichlorfonDipterex
(Carbamates)propoxurBaygon, UndanBendiocarbCarbaryl
(Chrysanthemum cinerariaefolium)(Pyrethrin I& II)Piperonyl butoxide
(Pyrethroids)(allethrin)(resmethrin)(Bioresmethrin)(d-Phenothrin(s-bioallethrinEsbiol)Tetramethrin(Permethrin)(DeltamethrinDecamethrinfenvalerate(Cypermethrin)
(Insect growth regulators)Personal protection repellent
(Bacterial insecticides)(BTI-serotype-H14)(Bacillus sphaericus)
Technical grade(EC)2.5-50%
(ULV)1020
(WP)(10-50%
Solution/Aqueous solution(Emulsion,oil in water):()(Capsule suspension/CS):
(Suspension)
()
::8
:::::14:()
301953-19572,475DDT
5-10 Microns(1=10-6m )1-5 Microns
()()():
ULVULV1-3010-60/0.2-1020-30
ULVULV
(98/1/17)
()
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