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Summary timeline for bacterial manipulations.
| Day | Treatment |
|---|---|
| -5 | Provosoli bath |
| -4 | Antibiotic (BCR∗ and SMA) or filtered water (BCI) bath |
| -3 | Fresh antibiotic (BCR and SMA) or filtered water (BCI) bath |
| -2 | Filtered water (BCR), Provosoli bath (BCI), or Provosoli bath with added |
| S. maltophilia (SMA) | |
| -1 | Returned to enclosure |
| 0 | Bd or sham exposures |
| 1 | Returned to enclosure |
∗Treatment groups: BCR, bacterial community reduced; SMA, S. maltophilia added; and BCI, bacterial community intact.
