Table 1.
Distribution of Salmonella Gallinarum in clinical and environmental samples and Dermanyssus gallinae collected from layer chicken farms (n = 20) affected by fowl typhoid between 2017 and 2018.
| Province | Farm | Sample | Treatment | Bacterial isolation1 |
|
|---|---|---|---|---|---|
| S. Gallinarum | Other Salmonella | ||||
| Gyeonggi | 17F03 | D. gallinae | External disinfection | − | − |
| None | − | − | |||
| 17F04 | Dust | None | − | − | |
| 17F08 | Dust | None | − | − | |
| 17F11 | D. gallinae | External disinfection | + | − | |
| None | + | − | |||
| Dust | None | − | + | ||
| Liver | None | + | − | ||
| Spleen | None | + | − | ||
| 17F14 | Spleen | None | + | − | |
| Jeonbuk | 17F05 | Dust | None | − | − |
| 17F06 | Dust | None | − | − | |
| 17F07 | Dust | None | − | − | |
| 18F04 | Dust | None | − | + | |
| 18F06 | D. gallinae | External disinfection | − | – | |
| None | − | − | |||
| Gyeongnam | 17F01 | D. gallinae | External disinfection | − | − |
| None | − | − | |||
| Liver | None | − | − | ||
| 17F09 | D. gallinae | External disinfection | + | − | |
| None | + | − | |||
| Dust | None | − | − | ||
| Chungnam | 17F02 | D. gallinae | External disinfection | − | − |
| None | − | − | |||
| Liver | None | + | − | ||
| 17F10 | D. gallinae | External disinfection | + | − | |
| None | + | − | |||
| Liver | None | + | − | ||
| Spleen | None | + | − | ||
| Dust | None | + | − | ||
| 18F03 | Liver | None | − | − | |
| Chungbuk | 17F13 | D. gallinae | External disinfection | + | − |
| None | + | − | |||
| Dust | None | − | − | ||
| 17F15 | Spleen | None | + | − | |
| 18F01 | D. gallinae | External disinfection | − | − | |
| None | + | − | |||
| Jeju | 17F12 | Liver | None | + | − |
| Spleen | None | + | − | ||
| Gyeongbuk | 18F02 | D. gallinae | External disinfection | − | − |
| None | − | − | |||
1
‘+’ = positive; ‘−’ = negative.