Prevalence of Fasciola in cattle and of its intermediate host Lymnaea snails in central Vietnam

Sam Thi Nguyen, Duc Tan Nguyen, Thoai van Nguyen, Vu Vy Huynh, Duc Quyet Le, Yasuhiro Fukuda, Yutaka Nakai

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The aims of this study were to investigate the prevalence of natural Fasciola infections in both the definitive hosts (cattle) and the intermediate hosts (Lymnaea snails) in central Vietnam. A total of 1,075 fecal samples, randomly collected from cattle in Binh Dinh, Khanh Hoa, and Phu Yen provinces, were examined for Fasciola eggs by a sedimentation method. The overall prevalence of Fasciola was 45.3 %. A subset of the animals (235) was also screened for antibodies against Fasciola by an enzyme-linked immunosorbent assay. Overall, 46.3 % of these animals were shedding Fasciola eggs while 87.2 % were Fasciola seropositive. A lower prevalence of Fasciola was observed in calves ≤2 years of age (37.6 %) compared to that in cattle >2 years of age (53.7 %) (p < 0.05). The prevalence in the rainy season (50.8 %) was significantly different to that in the dry season (38.1 %) (p < 0.05). Of the 3.269 Lymnaea viridis and 1.128 Lymnaea swinhoei examined, 31 (0.95 %) and seven (0.62 %), respectively, were found to be infected with Fasciola. This appears to be the first epidemiological survey of the prevalence of Fasciola in cattle and snails in these three provinces in central Vietnam.

Original languageEnglish
Pages (from-to)1847-1853
Number of pages7
JournalTropical Animal Health and Production
Issue number8
Publication statusPublished - 2012 Dec


  • Cattle
  • Central Vietnam
  • Fasciola
  • Lymnaea snails
  • Prevalence


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