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Effect of competitive exclusion on rate of ESBL-producing E. coli transmission in broilers
| Groupa | βb (day−1) | 95% CIc |
|---|---|---|
| Control | ∞ | 4.53–∞ |
| I and S | 0.669* | 0.334–1.18 |
| I | 0.331* | 0.151–0.617 |
| S | 4.68 | 2.09–9.95 |
Group indicates whether Aviguard was administered to I and/or S chicks. Control groups were not treated with Aviguard.
β, transmission rate parameter; *, β was significantly different between the treatment and control groups (P < 0.001).
CI, confidence interval.
