Table 1.
Virus titers determined by titration in SPF eggs for different tissues from chickens and ducks intravenously infection with H9N2 virus
| Time | Animal | Virus titers in different tissues (log10EID50/g) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tonsil | spleen | lung | intestine | brain | thymus | fabricius | trachea | heart | liver | kidney | pancreas | Ovary (testisb) |
||
| 1 dpi | Duck 1 | /a | / | 3.5 | / | / | / | / | / | / | / | / | / | / |
| Duck 2 | / | / | 2.25 | / | / | / | / | / | / | / | / | / | / | |
| Duck 3 | / | / | 2.5 | / | / | / | / | / | / | / | / | / | / | |
| Chicken 1 | 4.5 | 1.25 | 1.25 | / | / | 1.25 | 1.25 | 1.75 | / | / | / | / | /b | |
| Chicken 2 | 4.25 | 2.25 | 2.5 | 1.25 | / | 4.5 | 4.5 | 1.75 | / | / | 5.5 | 1.5b | ||
| Chicken 3 | 3.5 | 2.5 | 1.98 | / | / | 3.5 | 5.5 | 5.75 | / | / | / | / | / | |
| 2 dpi | Duck 4 | / | / | / | / | / | / | / | / | / | / | / | / | |
| Duck 5 | / | / | 3.5 | / | / | / | / | / | / | / | / | / | / | |
| Duck 6 | 2.25 | / | / | / | / | / | / | / | / | / | / | / | / | |
| Chicken 4 | 7.5 | 4.5 | 7.75 | / | 2.5 | 4.5 | 2.5 | 7.5 | 3.5 | 3.5 | 7.5 | |||
| Chicken 5 | 7.75 | 1.25 | 5.5 | 2.75 | / | 5.5 | 2.25 | 4.5 | / | / | / | / | / | |
| Chicken 6 | 4.5 | 1.98 | 5.75 | 3.75 | 2.25 | 7.5 | 3.5 | 1.25 | 1.5 | 3.5 | ||||
| 3 dpi | Duck 7 | / | / | / | / | / | / | / | 3.5 | / | / | / | / | |
| Duck 8 | 2.5 | / | / | / | / | / | / | / | / | / | / | / | / | |
| Duck 9 | / | / | / | / | / | / | / | / | / | / | / | / | / | |
| Chicken 7 | 4.5 | 2.5 | 5.5 | 1.25 | / | 3.75 | 3.5 | 7.5 | 1.98 | / | 2.5 | 1.98 | 1.98b | |
| Chicken 8 | 4.5 | 2.75 | 14.5 | 3.5 | / | 3.5 | 4.5 | 6.5 | 1.5 | / | 2.5 | 4.5 | 2.5b | |
| Chicken 9 | 5.5 | 7.25 | 8.75 | 3.5 | / | 1.98 | 6.5 | 6.5 | 5.25 | / | 8.75 | / | 6.64b | |
aNote: /, means no virus was detected from this sample in SPF eggs; and other numbers in this table are described as log10EID50/g for their virus titers
b, means this sample was from duck or chicken testis