Table 2.
Detection of virus shedding from oropharyngeal and cloacal swabs after NDV NA-1 strain challenge.
| Groupa | Oropharyngeal swabs | Cloacal swabs | ||||
|---|---|---|---|---|---|---|
| 5 dpc | 7 dpc | 9 dpc | 5 dpc | 7 dpc | 9 dpc | |
| PBS-IN | 6/6 | – | – | 6/6 | – | – |
| PBS-IM | 6/6 | – | – | 6/6 | – | – |
| cVLPs-IN | 1/9 | 0/9 | 0/9 | 0/9 | 0/9 | 0/9 |
| cVLPs-IM | 1/9 | 0/9 | 0/9 | 0/9 | 0/9 | 0/9 |
| DCpep-cVLPs-IN | 0/9 | 0/9 | 0/9 | 0/9 | 0/9 | 0/9 |
| DCpep-cVLPs-IM | 1/9 | 0/9 | 0/9 | 0/9 | 0/9 | 0/9 |
| Commercial vaccine | 5/9 | 3/9 | 0/9 | 4/9 | 2/9 | 0/9 |
aThe immunised chickens were challenged with the virulent NDV NA-1 strain. “dpc” represents days post-challenge.
“–” indicates chickens that died in the PBS-treated groups.