Table 1.
Flocks information and results of the virological investigation
| Farm | Flock | Flock size | Age | Mortality % | FAdVb | IBDV/CIAV co-infection |
|---|---|---|---|---|---|---|
| Farm A | A1a | 11500 | 12 | 8 | FAdV-11 | -/- |
| A2 | 11500 | 12 | 11 | FAdV-11 | -/- | |
| A3 | 10000 | 13 | 9 | FAdV-11 | -/- | |
| A4 | 12000 | 14 | 8 | FAdV-11 | -/- | |
| Farm B | B1 | 11000 | 13 | 10 | FAdV-11 | -/- |
| B2 | 11000 | 14 | 9 | FAdV-11 | -/- | |
| B3 | 12000 | 12 | 9 | FAdV-11 | -/- | |
| B4 | 11000 | 15 | 8 | FAdV-11 | -/- |
a Different houses of the farm are presented numerically, and b Conventional PCR amplifying the hexon loop-1 region of FAdV; sequencing differentiates between 12 relevant serotypes. FAdV: Fowl adenovirus, IBDV: Infectious bursal disease virus, and CIAV: chicken infectious anemia virus