中国媒介生物学及控制杂志

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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

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   

  1. 1广州医学院医学检验专业2005级 广州510182;2广州医学院病原生物学教研室;3中山大学中山医学院
  • 出版日期:2008-06-20 发布日期:2008-06-20

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

ZHANG Zhi-qiang*; SU Xiao-ming; SUN Wu; LI Bao-hua; LIN Su-xiang; LI Jia-min; CHEN Ze-cheng; DENG Guang-yuan; YE Jie; LI Xue-ya; LIU Gui-hong; ZHANG Guo-yi; ZHU Jin-hong; CHEN Dai-xiong; ZHANG Yun; ZHAN Xi-mei   

  1. Department of Pathogenic Biology, Guangzhou Medical College, Guangzhou 510182, China
  • Online:2008-06-20 Published:2008-06-20

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。

关键词: 广州管圆线虫, 褐云玛瑙螺, 福寿螺, 感染

Abstract: 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.