Table 2. Analysis of the duck circovirus (DuCV) infection pattern and co-infection with Riemerella anatipestifer and Salmonella Enteritidis.
| Pattern of infection | Etiologic agents a) | Positive samples b) |
|---|---|---|
| Single | DuCV only | 10.9% (16/147) |
| Double | DuCV + Riemerella anatipestifer | 4.1% (6/147) |
| DuCV + Salmonella Enteritidis | 5.4% (8/147) | |
| Triple | DuCV + Riemerella anatipestifer | 1.4% (2/147) |
| + Salmonella Enteritidis | ||
| Total | 21.8% (32/147) | |
a) Riemerella anatipestifer and Salmonella Enteritidis infection was detected by culture method and confirmed by polymerase chain reaction. b) Positive rate (%): total number of positive samples/tested samples.