Table 5.
Frequencies of clinical signs and individual viruses detected according to the age of the flocks
| Clinical signs | 
Number of viruses detected (%)1 | 
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | Number of samples | Present | Absent | No information | TAV | TAstV-1 | TAstV-2 | ANV | TCoV | Reovirus | Rotavirus | 
| 1 to 4 wk | 20 | 20 | 0 | 0 | 1 (5) | 17 (85) | 12 (60) | 8 (40) | 17 (85) | 2 (10) | 11 (55) | 
| 5 to 18 wk | 56 | 25 | 28 | 3 | 3 (5.4) | 32 (57.1) | 22 (39.3) | 19 (33.9) | 25 (44.6) | 4 (7.1) | 29 (51.8) | 
| Total | 76 | 55 | 28 | 3 | 4 | 49 | 34 | 27 | 42 | 6 | 40 | 
Percentages (in parentheses) were calculated based on the number of flocks. TAV = adenovirus group 1; TAstV-1 = astrovirus type 1; TAstV-2 = astrovirus type 2; ANV = avian nephritis virus; TCoV = turkey coronavirus.