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目的 :为制定平原湖沼区血吸虫病防治对策提供依据。方法 :湖北省潜江市熊口农场东大垸分场及官庄垸分场为轮种区 ,荻湖分场为对照区 ,采用回顾性调查方法进行 15年纵向调查。结果 :实施水旱轮种后的 1995年与轮种前的 1980年比较 ,轮种区钉螺面积由 762 0 0 0 m2 降为 8460 0 m2 ,下降率为 88.89% ,53330 0 m2 的水田未查到钉螺 ;人群感染率由 2 9.54%降为 3.87% ,下降率为 86.89% ;耕牛感染率由 19.10 %降为 2 .0 % ,下降率为 89.53% ;农业产值及人均收入均大幅度增加。对照区人和耕牛感染率下降幅度较小 ,而 1991年起推广水旱轮种后 ,螺情病情下降幅度加大。结论 :水旱轮种结合人、畜化疗措施能有效控制平原湖沼区血吸虫病流行 ,且符合当前农村经济的发展 ,有推广价值。
Objective: To provide evidence for the prevention and treatment of schistosomiasis in the plains lake area. Methods: Xidong Farm in Qianjiang City, Hubei Province, East Danyuan and Guanzhuang Dairy Farms were divided into different rotation zones and Dihu Lake sub-field was controlled zone. A 15-year longitudinal survey was conducted by retrospective survey. Results: Compared with 1980 before rotation, the area of snails in rotation ranged from 762 0 0 m2 to 8460 0 m2 in 1995, the rate of decline was 88.89%. The paddy field of 53330 0 m2 was not investigated To snail; the infection rate of the population decreased from 2 9.54% to 3.87%, the rate of decline was 86.89%; the rate of cattle invaded from 19.10% to 2.0%, the rate of decline was 89.53%; the output value of agriculture and per capita income increased significantly . In the control area, the infection rate of cattle and cattle decreased slightly, but since 1991, after the promotion of drought and drought rotation, the decline of the incidence of snail increased. Conclusion: The combination of irrigation and water rotation with human and animal treatment measures can effectively control the schistosomiasis epidemic in the plain lacustrine zone and is in line with the current rural economic development with the promotion value.