Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control · 2012
[Investigation on prevalence of Spirometra mansoni sparganum infection in frogs from Henan Province].
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Deng Yan, Liu Chang-Jun, Chen Wei-Qi, Zhou Rui-Min, He Li-Jun, Lin Xi-Meng
Аннотация
OBJECTIVE: To understand the prevalence of Spirometra mansoni sparganum infection in frogs from Henan Province and analyze the risk of people suffering from sparganum infection.
METHODS: The spargana were examined in the muscle of frogs collected from 12 sites of 5 regions in Henan Province, and the amount of spargana and their location were recorded.
RESULTS: The natural infection rate of Spirometra mansoni spargana in frogs was 26.63% (306/1 149). There were totally 1 897 spargana found in those frogs, and the average was 6.2 per frog. The infection rate of pond frogs was higher than that of toad, the difference was statically significant (chi2 = 30.42, P < 0.01). The natural infection rate of pond frogs in the nearby patients' residence was higher than that of pond frogs collected from the other sites, and the natural infection rate of frogs was lower in the west region of Henan than that in the other areas. The muscles of hind legs of the frogs was the most common parasitic location compared with other parts of the frogs, and the ratio was 73.74% (1 365/1 851).
CONCLUSION: The frogs living in the nature are widely infected with Spirometra mansoni spargana in Henan Province, and the comprehensive measures should be taken for the prevention and control of sparganosis mansoni.
METHODS: The spargana were examined in the muscle of frogs collected from 12 sites of 5 regions in Henan Province, and the amount of spargana and their location were recorded.
RESULTS: The natural infection rate of Spirometra mansoni spargana in frogs was 26.63% (306/1 149). There were totally 1 897 spargana found in those frogs, and the average was 6.2 per frog. The infection rate of pond frogs was higher than that of toad, the difference was statically significant (chi2 = 30.42, P < 0.01). The natural infection rate of pond frogs in the nearby patients' residence was higher than that of pond frogs collected from the other sites, and the natural infection rate of frogs was lower in the west region of Henan than that in the other areas. The muscles of hind legs of the frogs was the most common parasitic location compared with other parts of the frogs, and the ratio was 73.74% (1 365/1 851).
CONCLUSION: The frogs living in the nature are widely infected with Spirometra mansoni spargana in Henan Province, and the comprehensive measures should be taken for the prevention and control of sparganosis mansoni.