茂名市褐云玛瑙螺和福寿螺广州管圆线虫感染情况的调查  

Investigation on snails Achatina fulica and Ampullaria gigas infected by Angiostrongylus cantonensis in Maoming district of Guangdong province

作　　者：张志强[1] 苏晓明[1] 孙武[1] 李宝华[1] 林素香[1] 黎嘉敏[1] 陈泽城[1] 邓光远[1] 叶杰[1] 李雪雅[1] 刘桂红[1] 张国毅[1] 朱锦宏[1] 陈代雄[2] 张赟[2] 詹希美[3] 

机构地区：[1]广州医学院 [2]广州医学院病原生物学教研室 [3]中山大学中山医学院

出　　处：《中国媒介生物学及控制杂志》2008年第3期241-243,共3页Chinese Journal of Vector Biology and Control

基　　金：国家自然科学基金委员会-广东省人民政府联合基金资助项目(U0632003)

摘　　要：目的了解茂名市褐云玛瑙螺和福寿螺广州管圆线虫的感染情况。方法采用人工消化法对从茂名市农村收集的褐云玛瑙螺和福寿螺进行处理,在解剖镜下对消化物中的广州管圆线虫幼虫进行观察和计数。结果共检查276只褐云玛瑙螺和432只福寿螺,其中褐云玛瑙螺广州管圆线虫第3期幼虫的阳性率为38.41%,平均感染度为36.65条/只;福寿螺广州管圆线虫第3期幼虫的阳性率为20.14%,平均感染度为8.33条/只。结论广东省茂名市是广州管圆线虫的自然疫源地,目前以褐云玛瑙螺的感染较为严重。Objective To understand the natural infection rate of Angiostrongylus cantonensis in Achatina fulica and Ampullaria gigas from countryside of Maoming city of Guangdong province. Methods The Ac. fulica and Am. gigas collected from the district were digested with the Pepsin, and then larvae of An. cantonensis in the snails were identified and counted. Results 276 of Ac. fulica and 432 of Am. gigas were examined. The infective rate and average infectiosity of An. cantonensis in Ac. fulica were 38.41% and 36.65, and 20.14% and 8.33 in Am. gigas. Conclusion Maoming city is the natural focus of An. cantonensis in Guangdong, and the infection of Ac. fulica is more serious than Am. gigas now.

关 键 词：广州管圆线虫 褐云玛瑙螺 福寿螺 感染 

分 类 号：R383.1[医药卫生—医学寄生虫学]