Table 7.
Effect of ANE and residual effect of ZnO on Salmonella shedding following experimental re-infection with S. Typhimurium (Least-square mean values ± SEM)
| Time, d | Treatment1 | Faecal Salmonella counts, logGCN/g faeces |
|---|---|---|
| 25 | Control | 7.22 |
| ZnO-residual | 7.16 | |
| ANE | 7.02 | |
| 27 | Control | 7.33 |
| ZnO-residual | 7.24 | |
| ANE | 7.24 | |
| 34 | Control | 7.41 |
| ZnO-residual | 7.34 | |
| ANE | 7.30 | |
| SEM | 0.171 | |
| P-value | ||
| Treatment effect | 0.262 | |
| Time effect | 0.025 | |
| Treatment × Time effect | 0.961 | |
ANE, Ascophyllum nodosum extract; ZnO, Zinc oxide; GCN, Gene copy number
1A total of 12 replicates were used per dietary treatment (replicate = pig)