通过寄生虫区系调查和临床检验，发现肝片形吸虫及消化道圆形线虫感染普遍。
Through parasite fauna investigation and clinical detection, the popularity of Fasciola hepatica and Strongylus vulgaris in digestive channel of tovine was discovered.
淋巴丝虫病的发病是因感染丝虫目线虫(圆形)引起。
Lymphatic filariasis is caused by infection with nematodes (round worms) of the family Filariodidea. There are three types of these thread-like filarial worms.
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