Table 4 IAV antibody presence, antibody level (S/N), viral presence and viral load (Ct) in quarantines with or without gilt vaccination and quarantines with or without AIAO management of the quarantine and p values from linear models (Antibody S/N, Virus Ct) and generalized linear models (antibody and virus positive) including herds as explanatory variable
| Â | Total | Quarantine with gilt IAV vaccination | AIAO | ||||
|---|---|---|---|---|---|---|---|
No | Yes | p | No | Yes | p | ||
Herds, n | 10 | 8 | 2 | Â | 5 | 5 | Â |
Samples, n | 200 | 160 | 40 | Â | 100 | 100 | Â |
Quarantine out | |||||||
Antibody positive, n (%) | 120 (60%) | 83 (52%) | 37 (93%) | 0.003 | 81 (81%) | 39 (39%) |  < 0.0001 |
Antibody S/N, mean* | 0.23 | 0.24 | 0.22 | 0.18 | 0.22 | 0.27 | 0.28 |
Virus positive, n (%) | 23 (12%) | 22 (14%) | 1 (3%) | 0.053 | 19 (19%) | 4 (4%) | 0.002 |
Virus Ct., mean* | 33.5 | 33.6 | 32.0 | 0.3 | 33.1 | 32.4 | 0.051 |