Table 3.
Infectious bronchitis virus (IBV) detection in the different physiological systems
| All flocks |
Broiler flocks |
Breeder flocks |
||||
|---|---|---|---|---|---|---|
| Physiological system | Total | IBV+1 (%) | Total | IBV+ (%) | Total | IBV+ (%) |
| Digestive | 144 | 59 (40.9)a | 62 | 27 (43.5)a | 82 | 32 (39)a |
| Respiratory | 331 | 82 (24.7)b | 131 | 49 (37.4)a | 200 | 33 (16.5)b |
| Urinary/reproductive | 146 | 24 (16.4)b | 37 | 6 (16.2)b | 109 | 18 (16.5)b |
a,b
Different letters indicate statistical significant differences in the IBV detection from the respective physiological systems by χ2 test (P < 0.05).
1
IBV+ = IBV positive.