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| Day of experiment |
Numbers of salamanders sampled |
|
|---|---|---|
| Housed with soila | Housed with sterile mediaa | |
| 0 | 10 (10) | 10 (9) |
| 7 | 10 (4) | 10 (5) |
| 14 | 10 (4) | 10 (6) |
| 21 | 10 (7) | 10 (7) |
| 28 | 10 (8) | 10 (6) |
Numbers in parentheses represent the number of samples that amplified and are included in the analysis.
