Table 5.
Characteristics of the detected sequence types
| Sequence type | Prevalence within farma | No. of positive birds/farm | Total no | Serotype(s) | SNP-distance within farmb | SNP-distance between farms |
|---|---|---|---|---|---|---|
| ST10 | Farm A1 (4.5%) | 1 | 18 (23.4%) | O71:H40, –:H40 | – | 0–7038 |
| Farm C3 (17.6%) | 2 | 7 | ||||
| Progeny B5 (45.5%) | 4 | 1–960 | ||||
| Progeny C9 (75%) | 7 | 0–959 | ||||
| ST23 | Farm C1 (5.9%) | 1 | 1 (1.3%) | O78:H17 | – | – |
| ST38 | Farm C1 (5.9%) | 1 | 1 (1.3%) | O7:H15 | – | – |
| ST58 | Progeny C1 (8.3%) | 1 | 1 (1.3%) | O86:H30 | – | – |
| ST69 | Farm B2 (20%) | 2 | 2 (2.6%) | O15:H6 | 1861 | – |
| ST95 | Farm A13 (59.1%) | 11 | 21 (27.3%) | O2:H5, O1:H7, -:H5 | 0–3691 | 0–3691 |
| Farm B 4 (40%) | 2 | 39 | ||||
| Farm C3 (17.6%) | 3 | 0–1 | ||||
| Progeny B1 (9.1%) | 1 | – | ||||
| ST117 | Farm C1 (5.9%) | 1 | 1 (1.3%) | -:H4 | – | – |
| ST155 | Farm C1 (5.9%) | 1 | 2 (2.6%) | O8:H20, O37:H10 | – | 2526 |
| Progeny A1 (20%) | 1 | |||||
| ST219 | Farm C1 (5.9%) | 1 | 3 (3.9%) | O138:H48, –:H48 | – | 29–30 |
| Progeny A2 (40%) | 2 | 1 | ||||
| ST362 | Farm A2 (9.1%) | 1 | 2 (2.6%) | O7:H6 | – | – |
| ST442 | Progeny B1 (9.1%) | 1 | 1 (1.3%) | O91:H21 | – | – |
| ST457 | Farm B3 (30%) | 1 | 3 (3.9%) | O11:H25 | – | – |
| ST746 | Farm B1 (10%) | 1 | 3 (3.9%) | O100:H30, –:H18 | – | 10–7545 |
| Farm C1 (5.9%) | 1 | – | ||||
| Progeny B1 (9.1%) | 1 | – | ||||
| ST770 | Farm C1 (5.9%) | 1 | 1 (1.3%) | O15:H16 | – | – |
| ST1141 | Farm C1 (5.9%) | 1 | 1 (1.3%) | O113:H4 | – | – |
| ST1426 | Progeny A1 (20%) | 1 | 1 (1.3%) | O8:H16 | – | – |
| ST1564 | Farm A1 (4.5%) | 1 | 1 (1.3%) | –:H21 | – | – |
| ST1882 | Progeny C2 (16.7%) | 2 | 2 | O23:H4, –:H4 | 0 | – |
| ST3270 | Progeny A1 (20%) | 1 | 1 (1.3%) | O8:H16 | – | – |
| ST6665 | Farm C3 (17.6%) | 1 | 3 (3.9%) | O8:H30 | – | – |
| ST7321 | Progeny B3 (27.8%) | 2 | 3 (3.9%) | O71:H40 | 0 | – |
| ST7614 | Farm A2 (9.1%) | 2 | 2 (2.6%) | O9:H19 | 4 | – |
| ST11774 | Farm A3 (13.6%) | 3 | 3 (3.9%) | O46:H31, –:H31 | 1–4 | – |
SNP, single nucleotide polymorphism; ST, sequence type
aOnly farms positive for the given ST are listed
bOnly between bird comparison