Table 1 Number (percentage) of influenza A virus rRT-PCR positive udder skin wipes by farm and sampling event before whole herd sow vaccination and implementing enhanced biosecurity practices
Experimental group | Farm | Sampling events | |||
|---|---|---|---|---|---|
Week 1 (%) | Week 2 (%) | Week 3 (%) | Total (%) | ||
Treatment | A | 28/30a (93.3) | 28/30 (93.3) | 6/30 (20) | 62/90 (68.9) |
Treatment | B | 3/30 (10) | 2/30 (6.7) | 26/30 (86.6) | 31/90 (34.4) |
Treatment | C | 2/30 (6.7) | 0/30 (0) | 5/30 (16.7) | 7/90 (7.8) |
Treatment | D | 5/30 (16.7) | 6/30 (20) | 2/30 (6.7) | 13/90 (14.4) |
Treatment | E | 4/30 (13.3) | 3/30 (10) | 5/30 (16.7) | 12/90 (13.3) |
Control | F | 25/30 (83.3) | 25/30 (83.3) | 23/30 (76.7) | 73/90 (81.1) |