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[Simulation experiment of survival and reproduction of artificially imported Oncomelania snails in Qingpu District, Shanghai].

[Article in Chinese]

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  • 1Qingpu District Center for Disease Control and Prevention, Shanghai City, Qingpu 201700, China.



To understand the survival of imported Oncomelania snails in new environments with different densities in waterway net region, Qingpu District, Shanghai.


The snails collected from Guichi, Anhui Province were put into the ponds of 4 square meters and each had 25, 50, 100, 200, 400 and 800 pairs of snails, respectively. During the next 2 years, the temperature, humidity, the activities of snails and their second birth snails were investigated each day. All the data were analyzed statistically.


The highest number of snails appeared from May to June on the surface of soils in different densities. The average numbers of snails were 2.0%-12.7% of whole put in snails, and the numbers of offspring were less than 2% of the whole put in snails.


The survival and reproduction of artificially imported Oncomelania snails from Guichi, Anhui Province is not good in Qingpu District, Shanghai.

[PubMed - indexed for MEDLINE]
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