Table 1.
Screening of cyprinid fish sampled from Khammouane Province, Lao PDR, and Mukdahan Province, Thailand, for the presence of Opisthorchis viverrini MTC
| Season | Fish species | Khammouane, Lao PDR | Mukdahan, Thailand | ||
|---|---|---|---|---|---|
| No. of fish | MTC/fish | No. of fish | MTC/fish | ||
| Cool-dry | C. armatus | 15 | 18 | 10 | 13.4 |
| H. dispar | 15 | 7 | 5 | 0.4 | |
| P. brevis | 20 | 7 | 10 | 0 | |
| L. leptocheilus | 20 | 0.15 | – | – | |
| L. siamensis | 20 | 0.55 | 10 | 0 | |
| H. siamensis | 20 | 0.45 | – | – | |
| D. ashmeadi | 20 | 0.75 | – | – | |
| O. hasselti | 20 | 0.05 | – | – | |
| B. schwanenfeldii | – | – | 3 | 0 | |
| Hot-dry | C. armatus | 5 | 7 | 61 | 2.1 |
| H. dispar | 11 | 0.27 | 26 | 0.11 | |
| P. brevis | 20 | 5.05 | 78 | 0 | |
| L. leptocheilus | 20 | 0 | – | – | |
| L. siamensis | 20 | 0.1 | – | – | |
| H. siamensis | 20 | 0 | – | – | |
| D. ashmeadi | 15 | 0 | – | – | |
| O. hasselti | 19 | 0 | – | – | |
| C. reticulatus | 9 | 0 | – | – | |
| B. schwanenfeldii | – | – | 1 | 0 | |
| Rainy | C. armatus | 17 | 0.17 | 50 | 0.2 |
| H. dispar | 1 | 0 | 10 | 0.3 | |
| P. brevis | 37 | 8.13 | 3 | 0 | |
| L. siamensis | 50 | 0 | – | – | |
| D. ashmeadi | 5 | 0.2 | – | – | |
| O. hasselti | 16 | 0 | – | – | |
| C. reticulatus | 30 | 0.73 | – | – | |
| S. rubripinnis | 50 | 1.06 | 22 | 0 | |
B. schwanenfeldii = Barbonymus schwanenfeldii; C. armatus = Cyclocheilichthys armatus; C. reticulatus = Crossocheilus reticulatus; D. ashmeadi = Discherodontus ashmeadi; H. dispar = Hampala dispar; H. siamensis = Henicorhynchus siamensis; L. leptocheilus = Labiobarbus leptocheilus; L. siamensis = Labiobarbus siamensis; MTC = metacercariae; O. hasselti = Osteochilus hasselti; P. brevis = Puntius brevis; S. rubripinnis = Systomus rubripinnis.