Table 4 Number of positive birds and mean cecal C. jejuni counts of colonized broilers receiving standard feed supplemented with 5% (wt/wt) egg yolk from either bacterin-immunized, subunit vaccine-immunized or sham-immunized (control) layers, from day 19 until day 21 (the day of euthanasia).
| Â | Number of positive birds | Mean C. jejuni counts of positive birds | ||||
|---|---|---|---|---|---|---|
(log10(cfu/g cecal content)) (Standard deviation) | ||||||
Bacterin | Subunit | Control | Bacterin | Subunit | Control | |
Group 1 | 7/9 | 9/9 | 7/9 | 3.12 (1.31) | 5.56 (1.28) | 5.64 (1.80) |
Group 2 | 8/9 | 9/9 | 7/9 | 4.08 (1.59) | 5.19 (1.84) | 4.96 (2.09) |
Group 3 | 7/9 | 8/9 | 6/9 | 4.74 (1.03) | 5.55 (1.34) | 5.10 (2.11) |
Treatment | 22/27 a | 26/27 a | 20/27 a | 4.00a (1.44) | 5.43b (1.46) | 5.24b (1.67) |
