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杜氏泡螺对曼氏血吸虫感染的费氏扁卷螺尾蚴产生的抑制作用

The suppression, by Helisoma duryi, of the cercarial production of Schistosoma mansoni-infected Biomphalaria pfeifferi.

作者信息

Frandsen F

出版信息

Bull World Health Organ. 1976;53(4):385-90.

Abstract

Biological control of the intermediate hosts of Schistosoma mansoni and S. haematobium by means of a competitor snail, Helisoma duryi, has been suggested. In the present laboratory study, the influence of H. duryi on the relationship between the parasite and the intermediate host was investigated. The results indicated that H. duryi behaves as a "decoy" if it is present when Biomphalaria pfeifferi is exposed to the miracidia of S. mansoni, and that the continued presence of H. duryi in the aquarium after B. pfeifferi has been exposed greatly reduces cercarial production. When these two species were present in equal numbers, cercarial production was reduced by 95.9% in comparison with a control group.

摘要

有人提出通过一种竞争蜗牛——杜氏扁蜷(Helisoma duryi)来对曼氏血吸虫和埃及血吸虫的中间宿主进行生物防治。在当前的实验室研究中,研究了杜氏扁蜷对寄生虫与中间宿主之间关系的影响。结果表明,如果在费氏扁卷螺(Biomphalaria pfeifferi)暴露于曼氏血吸虫毛蚴时存在杜氏扁蜷,那么杜氏扁蜷会起到“诱饵”的作用,并且在费氏扁卷螺暴露后杜氏扁蜷持续存在于水族箱中会大大减少尾蚴的产生。当这两个物种数量相等时,与对照组相比,尾蚴产量降低了95.9%。

相似文献

本文引用的文献

1
The crowding phenomenon in laboratory colonies of freshwater snails.淡水螺实验室种群中的拥挤现象。
Ann Trop Med Parasitol. 1960 Jun;54:224-32. doi: 10.1080/00034983.1960.11685978.
4
7
Biological control of snail-borne diseases: a review.蜗牛传播疾病的生物防治:综述
Exp Parasitol. 1973 Apr;33(2):318-30. doi: 10.1016/0014-4894(73)90036-2.

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