TABLE 2.
IncI1 copy number in S. Heidelberg isolates recovered from fresh and reused litter
| S. Heidelberg strain ID | Time (h) | pH of cecal extract | IncI1 copy no./cell (mean ± SD)a | Coefficient of variation (%) |
|---|---|---|---|---|
| SH-16-0-5B-RL | 2 | 6.52 | 0.001 ± 0.001 | 155.8 |
| SH-IncI1-FL | 2 | 6.52 | 5.594 ± 0.582 | 10.4 |
| SH-16-0-5B-RL | 0.5 | 2.52 | 0.001 ± 0.0003 | 47.9 |
| 4 | 2.52 | 0.141 ± 0.064 | 46.0 | |
| 24 | 2.52 | 0.084 ± 0.038 | 46.4 | |
| SH-IncI1-FL | 0.5 | 2.52 | 6.304 ± 0.165 | 2.6 |
| 4 | 2.52 | 6.301 ± 0.343 | 5.4 | |
| 24 | 2.52 | 5.892 ± 0.378 | 6.4 | |
a
Three individual S. Heidelberg isolates from fresh litter (FL) were used to determine the copy number of IncI1 for SH-IncI1-FL, while the IncI1 copy number in S. Heidelberg strain SH-16-0-5B from reused litter (RL) was determined using three replicates.