中国寄生虫学与寄生虫病杂志 ›› 2009, Vol. 27 ›› Issue (4): 22-374.

• 研究简报 • 上一篇    下一篇

浙江宁海并殖吸虫中间宿主感染情况调查

柳建发,吴燕,汤治元,孟丹,杨淑娟,蒋雯雯
  

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-08-30 发布日期:2009-08-30

Epidemiological Investigation on the Intermediate Hosts of Paragonimus in Ninghai County of Zhejiang Province

LIU Jian-fa,WU Yan,TANG Zhi-yuan,MENG Dan,YANG Shu-juan,JIANG Wen-wen
  

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-08-30 Published:2009-08-30

摘要: 2007年8月在宁海县深圳区俞山村现场捕捉溪蟹和川卷螺,镜检并殖吸虫囊蚴和尾蚴的感染情况。共捕获97只长江华溪蟹(Sinopotamon yangtsekiense),阳性率为11.3%(11/97),平均感染度为1个囊蚴/只。其中, 体重<5 g的20只, 阳性率为10%(2/20), 平均感染度为1个囊蚴/只; 体重>5 g的77只中,5~15 g的阳性率为10.2%(5/49),平均感染度为1个囊蚴/只;15~25 g的阳性率为20.0%(4/20), 平均感染度为1个囊蚴/只,25~35 g的阳性率为0(0/8)。体重>5 g的77只中,雄蟹与雌蟹比例为2.5 ∶ 1,阳性率分别为12.7%(7/55)和9.1%(2/22),差异无统计学意义(χ2=1.20,P>0.05)。采集放逸短沟蜷(Semisulcospira libertina)200只,未发现阳性。

关键词: 并殖吸虫, 中间宿主, 流行病学调查

Abstract: Freshwater crabs and snails were collected from Ninghai County in Zhejiang Province, and examined respectively for Paragonimus metacercariae and cercariae. Among 97 freshwater crabs found, the prevalence was 11.3%(11/97) with a mean intensity of 1 metacercariae per crab. It was 10.2%(5/49) and 20.2%(4/20) in the groups weighted 5-15 g and 15-25 g respectively, with an average intensity of 1, and no metacercariae were found in weight group of 25-35 g. Two positive crabs were found from 20 crabs with a low weight (< 5 g). Male to female crabs ratio was 2.5 ∶ 1, and there was no significant difference in prevalence between males [12.7%(7/55)] and females [9.1%(2/22)]. No cercariae or metacercariae were found in 200 snails (Semisulcospira libertina).

Key words: Paragonimus, Intermediate host, Epidemiological investigation