Table 1 Changes of neutralizing antibody titer with different inoculation routes and different doses in ducks.
From: Induction of immune responses in ducks with a DNA vaccine encoding duck plague virus glycoprotein C
| Days post inoculation | Serum neutralizing (SN) titera | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Immune groups | Control groups | ||||||||
| Route and dose of inoculation | |||||||||
| Gene gun bombardment | IM |
pcDNA3.1(+) 100 μg | DPV attenuated vaccine 100 μl | 0.85% saline 100 μl | |||||
| 6 μg | 3 μg | 1 μg | 200 μg | 100 μg | 50 μg | ||||
| 3 | 1:2.34 | 1:2.34 | < | 1:2.34 | < | < | < | < | < |
| 5 | 1:2.37 | 1:2.34 | < | 1:2.87 | 1:2.34 | < | < | 1:3.35 | < |
| 7 | 1:2.82 | 1:2.7 | 1:2.34 | 1:3.2 | 1:2.58 | 1:2.51 | < | 1:5.01 | < |
| 14 | 1:5.62 | 1:3.35 | 1:3.4 | 1:4.73 | 1:2.87 | 1:2.7 | 1:2.34 | 1:6.2 | < |
| 28 | 1:6.3 | 1:4.73 | 1:3.2 | 1:6.4 | 1:5.01 | 1:4.73 | 1:2.34 | 1:5.69 | < |
| 42 | 1:5.69 | 1:4.6 | 1:2.82 | 1:6.7 | 1:5.56 | 1:3.2 | < | 1:4.73 | < |
| 70 | 1:3.4 | 1:2.73 | < | 1:3.35 | 1:2.37 | < | < | 1:2.82 | < |