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[Optimization of time of artificial population schistosome infected Oncomelania hupensis snails]
Chun-Rong Xiong1, Yun-Yi Yao2, Kun Yang2
1Jiangsu Institute of Parasitic Diseases, Wuxi 214064, China. jipdyk@163.com
Objective:
To explore the optimizational time of artificial population schistosome infected Oncomelania hupensis snails.
Methods:
Under laboratory conditions, the snails were infected with the miracidia of Schistosoma japonicum for 2 h, 3 h and 4 h respectively, and the death rates and the infection rates of the snails, and the quantities of cercariae of each group were observed 60-120 d after the infection, and all the data observed were analyzed to get the optimizational time of artificial population schistosome infected snails.
Results:
Of the 3 h group, the snail infection rate was the highest and the mortality was the lowest among the 3 groups (P<0.05). The average number of cercariae of the 3 h group was higher than that of the 2 h group (P<0.05), while there was no statistical difference between the 3 h group and the 4h group (P>0.05).
Conclusion:
Under laboratory conditions, the optimizational time is 3 h in artificial population schistosome infected O. hupensis snails.
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