Table 3.
Qualitative and quantitative data (log10 CFU/20 cm² values) of the swab samples (n = 40, each group and station) concerning total Enterobacteriaceae for all groups and all samplings; CG-control group, DW-drinking water supplement, RR-slow growing breed Rowan × Ranger, 25 kg/sqm-reduced stocking density, CE-competitive exclusion.
| CG | DW | RR | 25 kg/sqm | CE | |
|---|---|---|---|---|---|
| ST1, before slaughter | |||||
| No of positive samples | 39 | 39 | 38 | 25 | 37 |
| Mean log10 CFU/20 cm² | 4.59 | 5.08 | 4.38 | 3.36 | 4.49 |
| Median log10 CFU/20 cm² | 4.20 | 4.77 | 3.72 | 2.18 | 3.30 |
| ST2, after scalding | |||||
| No of positive samples | 40 | 32 | 3 | 9 | 27 |
| Mean log10 CFU/20 cm² | 4.27 | 3.51 | 0.95 | 2.15 | 3.36 |
| Median log10 CFU/20 cm² | 3.70 | 2.96 | 0 | 0 | 2.05 |
| ST3, after defeathering | |||||
| No of positive samples | 38 | 39 | 40 | 39 | 35 |
| Mean log10 CFU/20 cm² | 3.21 | 2.85 | 2.88 | 3.12 | 2.80 |
| Median log10 CFU/20 cm² | 2.90 | 2.38 | 2.80 | 2.52 | 2.48 |
| ST4, after evisceration | |||||
| No of positive samples | 40 | 40 | 40 | 39 | 39 |
| Mean log10 CFU/20 cm² | 3.32 | 2.91 | 3.88 | 2.98 | 4.29 |
| Median log10 CFU/20 cm² | 3.11 | 2.43 | 3.05 | 2.57 | 3.21 |