然而绵羊寄生虫病的防治工作明显滞后，从而大大削弱家畜的生产性能，降低畜产品的产量和质量。
Because of the delayed preventive measures of parasitic diseases, the livestock performance and the yield and quality of livestock products had been lowered.
结论开展防治寄生虫病的健康教育，可提高居民的防病知识，逐步形成健康行为，使寄生虫感染率明显下降。
Conclusion the health education can raise the residents' knowledge of preventive parasitic diseases, form progressively the health action and descend evidently the infection rate of parasites.
全世界的一些寄生虫学工作者，在近百年的时间里，进行着寄生虫病的免疫防治研究。
Many parasitologists have studied immune prophylaxis and treatment of parasitoses for about one hundred years all over the world.
前言：目的：综述我国常见食源性寄生虫病的感染、致病及防治的现状。
Objective: Review common food parasitosis infection, prevention and cure present situation in Chi-na.
血吸虫病是世界上危害最严重的寄生虫病之一，其疫苗的研究是世界血吸虫病防治的一项工作重点也是一大难题。
Schistosoma is one of the most serious parasitic diseases; the research on vaccine is an important and hard problem to the prevention and control of the disease in the world.
血吸虫病是世界上危害最严重的寄生虫病之一，其疫苗的研究是世界血吸虫病防治的一项工作重点也是一大难题。
Schistosoma is one of the most serious parasitic diseases; the research on vaccine is an important and hard problem to the prevention and control of the disease in the world.
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