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Prevalence of fluke infection among beef cattle reared nearby Phayao Lake, Phayao, North Thailand (seven villages).
| Villages | Number of animals | Number of positive | Prevalence (%) |
|---|---|---|---|
| San Kwan | 38 | 8 | 21.1 |
| Toon Tai | 28 | 10 | 35.7 |
| Sang | 38 | 14 | 36.8 |
| Sang Tai | 31 | 5 | 16.1 |
| Morn Kaew | 115 | 41 | 35.7 |
| San Pa Kang | 31 | 14 | 45.2 |
| San Wiang Mai | 30 | 13 | 43.3 |
| Total | 311 | 105 | 33.8 |
