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湖沼地区血吸虫病最主要的传染源为耕牛,其次是牲猪和外来水上流动人群。但不同类型疫区其不同传染源的作用不尽相同。洲岛型疫区血吸虫病传染源以本地人畜为主,其实际污染能量占总污染能量的70.7％;汊滩型疫区以耕牛为主,其实际污染能量占该类疫区总污染能量的75.5％,其中外来耕牛占53.9％:其次为外来水上流动人群。洲垸型疫区则以耕牛和外来水上流动人群为主要传染源,分别占该类疫区全部传染源污染能量的69.8％和21.4％。枯水季节耕牛为主要传染源,外来水上流动人群为涨水季节的主要传染源。
The main source of infection of schistosomiasis in lakes and marshes is cattle, followed by live pigs and migrants. However, different types of infected areas have different roles in different sources of infection. The source of schistosomiasis infection in Chau Island-type endemic area is mainly local animals and livestock, and the actual pollution energy accounts for 70.7% of the total pollution energy. In Beigan type epidemic areas, cattle are the main sources of pollution, and the actual pollution energy accounts for the total pollution energy Of the total, accounting for 75.5% of the total, of which 53.9% were foreign cattle, followed by the migrant population. Continents embankment-type endemic areas are cattle and migrant population as the main source of infection, which accounted for 69.8% and 21.4% of the total source of pollution of the infected area. Cattle as the main source of infertility in the dry season, the main source of external water upflowing crowd during the rising season.