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Number of birds in each group positive for the presence of IBV RNA and infectious virusa
| Group | IBV-derived RNA |
Infectious IBV |
|||
|---|---|---|---|---|---|
| 4 dpi | 6 dpi | 7 dpi | 4 dpi | 6 dpi | |
| Mock | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| Beau-R | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| M41-R-6 | 0/3 | 0/3 | 1/3 | 0/3 | 0/3 |
| M41-R-12 | 0/3 | 0/3 | 1/3 | 1/3 | 0/3 |
| M41-CK | 3/3 | 2/3 | 2/3 | 3/3 | 3/3 |
Virus presence was determined from randomly selected birds; results are displayed as the number of positive birds/total number of birds sampled per group.
