厦门海域面状前吻吸虫流行病学的调查研究

Studies on the Epizootics of Prosorhynchus facilis in the Sea Shore of Xiamen, China

报告了在厦门海域面状前吻吸虫Prosorhynchus facilis (Ozaki,1924)Eckmann,1932流行病学的调查研究结果,指出其第一中间宿主——寻氏肌蛤Musculus senhousei的感染具有明显的季节性变化,而终未宿主则具有明显的宿主特异性。

This paper reports the results of investigation of the epizootics ofProsorhynchus facilis in the sea shore of Xiamen,China. 8 species of clams were examined in Dongshan, Yinxiao, Zhangpu, Longhai, Tongan, Jimei and Dongyu. It was found that only Musculus senhausei appeared to be infected with the larval stages of P. facilis in some places. For a period of appreximately 28 months, since March 1989, monthly examinations were made on the clam in Dongyu. The infective rates were different months of year. The total average infective rate was 6. 5% and the maximum occured in the early spring of every year. Otigulepis fasciatus,Scartelaos gigas,Oryzia lalipes,Liza carinatus, Mugil cephalus and an unknown larval fish were found to serve as the second intermediate host of P. facilis. Only two fishes can serve as the final host of P. facilis,namely Inimicus japonicus and Lateloabrax japonicus.