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改良压碎逸蚴法检测感染性钉螺

Chinese Journal of Schistosomiasis Control(2010)

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Abstract
目的评价改良压碎逸蚴法检测感染性钉螺的检出率和工效。方法采用双盲对照实验,以压碎法作为金标准,比较改良压碎逸蚴法及压碎法的感染性钉螺检出率,并对尾蚴数进行定量。在现场应用中比较改良压碎逸蚴法、压碎法和逸蚴法的工效。结果改良压碎逸蚴法检出率为100%,每只感染性钉螺体内含尾蚴数(4778±1157)只,一定容积水样检获的尾蚴数与感染性钉螺数呈正相关。改良压碎逸蚴法的工效是压碎法的18.2倍,是逸蚴法的17.3倍。结论改良压碎逸蚴法能快速检测感染性钉螺,并能对感染性钉螺和尾蚴数定量,适用于大批量分处(段)检测阳性钉螺。
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Key words
Detection,Oncomelania snail,Cercaria,Modified crushing-cercariae escaping method
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