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Effect of antimicrobial drugs in feed on the numbers of L. salivarius cells in the ilea of broilers
| Age of broilers (days) | Mean log10 no. of lactobacilli/mg of digesta (95% confidence limits) with:
|
|
|---|---|---|
| No drugs | Bacitracin and monensin | |
| 7 | 5.1 (4.3-6.0) | 3.0 (2.6-3.4) |
| 14 | 5.3 (4.8-5.8) | 3.5 (3.1-4.0) |
| 21 | 6.1 (5.8-6.4) | 6.1 (5.7-6.5) |
| 26 | 6.3 (6.0-6.7) | 6.0 (5.6-6.3) |
