Physicochemical
|
|
|
|
(S)
|
|
|
|
|
|
|
|
|
(S)
|
|
(S)
|
|
| Stability of Infectivity (effects) |
pH 3.0 titer: 1.8 dex Control titer: 6.5 dex
|
1:5
|
6.2 dex
|
6.3 dex
|
|
4.8 dex
|
6.8 dex
|
1:1000
|
<1.5 dex
|
4.7 dex
|
Heat, 56C 1 hr: <1.0 dex; control: 6.5 dex
|
|
| Virion Morphology |
Reoviridae-like (4)
|
62-64 nm
|
63 nmnm
|
nm
|
EM (4)
|
No envelope
|
|
|
| Morphogenesis |
|
|
|
|
|
|
| Hemagglutination |
No
|
SMB ext. by sucrose-acetone; acetone-ether
|
Goose*
|
6.0-7.6
|
|
4dC, 27dC, 37dC
|
|
* Tests for HA activity also tried with RBC's of sheep, calf, horse and
1 day-old chicks.
|
CF, NT
|
* Tests for HA activity also tried with RBC's of sheep, calf, horse and
1 day-old chicks.
|
| |
