Table 1 Detection of Treponema-like spirochetes from gingival samples of challenge pigs (A-E) and control pigs (F-H) by phase contrast microscopy of FAB + Aa broth cultures
From: Experimental inoculation of Treponema pedis T A4 failed to induce ear necrosis in pigs
Day | 0 | 7 | 14 | 21 | 29 | 35 | 42 | 49 | 56 |
|---|---|---|---|---|---|---|---|---|---|
Age | 5 wb | 6 w | 7 w | 8 w | 9 w | 10 w | 11 w | 12 w | 13 w |
Pig A | – | – | – | – | + | – | – | + | – |
Pig B | – | ntc | nt | nt | nt | nt | nt | nt | – |
Pig C | – | – | + | – | + | + | + | + | + |
Pig D | + | – | – | – | + | – | + | + | + |
Pig E | – | – | – | – | – | + | + | + | – |
Pig F | – | – | + | – | + | + | + | + | + |
Pig G | – | + | – | – | + | – | + | + | – |
Pig H | – | – | – | – | + | – | – | – | + |