不同宿主中，杜父鱼驼形线虫的感染率、感染丰度和感染强度差异很大。
The nematode's mean prevalence, prevalence, mean abundance and intensity of infection varied in different fish species.
长江种群是杜父鱼驼形线虫的祖先种群，闽江和珠江种群是由长江种群扩散而形成的；
The results showed that the significant geographical structuring of C. cotti population was only presented between the Pearl River population and the Yangtze River - Minjiang River population.
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