Table 1.
1d | 1w | 2w | 3w | |||||
---|---|---|---|---|---|---|---|---|
experimental | Control | experimental | Control | experimental | Control | experimental | Control | |
viremia | 0/34 | 0/31 | 1/30a (3.3%) | 0/30 | 0/25 | 0/30 | 0/22 | 0/28 |
cloacal swabs | 7/34 (20.6%) | 0/31 | 9/30b (30%) | 0/30 | 5/25 (20%) | 0/30 | 4/22 (18.2%) | 0/28 |
aThe chicken were dead at 10-days-old
bThree chickens were dead between 7 to 14 days of age in these nine chickens