Table 1.
Number of samples and prevalence of Salmonella and E. coli in the border provinces among Thailand, Cambodia, Lao PDR, and Myanmar (n = 809).
| Country | Location | Source | Type of Sample | No. of Sample | No. of Positive Sample (%) | |
|---|---|---|---|---|---|---|
| Salmonella | E. coli 1 | |||||
| Thailand | Nong Khai | Slaughterhouse | Rectal swab | 80 | 57 (71.3) | 79 (98.8) |
| Market | Carcass swab | 60 | 46 (76.7) | 57 (95.0) | ||
| Subtotal | 140 | 103 (73.6) | - | |||
| Sa Kaeo | Slaughterhouse | Rectal swab | 60 | 2 (3.3) | 58 (96.7) | |
| Market | Carcass swab | 60 | 34 (56.7) | 58 (96.7) | ||
| Subtotal | 120 | 36 (30.0) | - | |||
| Chiangrai | Slaughterhouse | Rectal swab | 60 | 30 (50.0) | 58 (96.7) | |
| Market | Carcass swab | 60 | 45 (75.0) | 58 (96.7) | ||
| Subtotal | 120 | 75 (62.5) | - | |||
| Cambodia | Banteay Meanchey | Slaughterhouse | Rectal swab | 84 | 39 (46.4) | 79 (94.0) |
| Market | Carcass swab | 65 | 59 (90.8) | 57 (87.7) | ||
| Subtotal | 149 | 98 (65.8) | - | |||
| Lao PDR | Vientiane | Slaughterhouse | Rectal swab | 82 | 28 (34.1) | 79 (96.3) |
| Market | Carcass swab | 58 | 44 (75.9) | 54 (93.1) | ||
| Subtotal | 140 | 72 (51.4) | - | |||
| Myanmar | Tarchileik | Slaughterhouse | Rectal swab | 75 | 1 (1.3) | 71 (94.7) |
| Market | Carcass swab | 65 | 18 (27.7) | 59 (90.8) | ||
| Subtotal | 140 | 19 (13.6) | - | |||
| Grand total | 809 | 403 (49.8) | 343(93) 2 | |||
1 subtotal and total percentage was not calculated as commensal E. coli are normally identified in rectal swab. 2 calculated for carcass swab in markets only.