Table 2.
Distribution of the seven viruses in the 280 samples of intestinal contents from the chickens with and without clinical signs of enteric diseases from 2007 to 2010.
| Virus | With clinical signs % | Without clinical signs % | Total (%) |
|---|---|---|---|
| IBV | 39 (13.9) | 6 (2.1) | 45 (16.1) |
| ANV | 18 (6.4) | 4 (1.4) | 22 (7.9) |
| CAstV | 10 (3.6) | 4 (1.4) | 14 (5.0) |
| Parvovirus | 5 (1.8) | 0 (0.0) | 5 (1.8) |
| Adenovirus | 12 (4.3) | 2 (0.7) | 14 (5.0) |
| Rotavirus | 6 (2.1) | 4 (1.4) | 10 (3.6) |
| Reovirus | 1 (0.4) | 0 (0.0) | 1 (0.4) |
|
| |||
| Total one virus | 91 (32.5) | 20 (7.1) | 111 (39.6) |
|
| |||
| Concomitance† | |||
|
| |||
| Two viruses | 60 (21.4) | 14 (5.0) | 74 (26.4) |
| Three viruses | 25 (8.9) | 6 (2.1) | 31 (11.1) |
| Four viruses | 7 (2.5) | 2 (0.7) | 9 (3.2) |
| Five viruses | 0 (0.0) | 1 (0.4) | 1 (0.4) |
|
| |||
| Total concomitance viruses | 92 (32.9) | 23 (8.2) | 115 (41.1) |
|
| |||
| Total of positives | 183 (65.4%) | 43 (15.4%) | 226 (80.7) |
| Negative | 29 (10.4) | 25 (8.9) | 54 (19.3) |
|
| |||
| Total | 212 (75.7) | 68 (24.3) | 280 (100) |
IBV: infectious bronchitis virus; ANV: avian nephritis virus; CAstV: chicken astrovirus; †two or more viruses detected simultaneously in the same sample.