Table 4.
Positive rates for enteric virus infection according to chicken flock age1
| Item | CAstV | ANV | ChPV | IBV | AvRV | ARV | FAdV |
|---|---|---|---|---|---|---|---|
| Age (d) | |||||||
| 0 to 7 | 30.82 (4/13)3 | 26.7 (4/15) | 0 (0/9) | 0 (0/7) | 50.0 (1/2) | 33.3 (1/3) | 0 (0/1) |
| 8 to 14 | 46.2 (6/13) | 46.7 (7/15) | 55.6 (5/9) | 0 (0/7) | 0 (0/2) | 66.6 (2/3) | 0 (0/1) |
| 15 to 21 | 7.7 (1/13) | 20.0 (3/15) | 33.3 (3/9) | 28.6 (2/7) | 50.0 (1/2) | 0 (0/3) | 100 (1/1) |
| 22 to 28 | 15.4 (2/13) | 6.7 (1/15) | 11.1 (1/9) | 71.4 (5/7) | 0 (0/2) | 0 (0/3) | 0 (0/1) |
| Total positive rate | 38.2 (13/34) | 44.1 (15/34) | 26.5 (9/34) | 20.6 (7/34) | 5.9 (2/34) | 8.8 (3/34) | 2.9 (1/34) |
1
CAstV = chicken astrovirus; ANV = avian nephritis virus; ChPV = chicken parvovirus; IBV = infectious bronchitis virus; AvRV = avian rotavirus, ARV = avian reovirus; FAdV = fowl adenovirus.
2
Percentage of flock positive for enteric virus.
3
Positive/total number of each enteric virus detected.