| This TCF was effectively used to infect embryonated chicken eggs. |
| Absence of c-DNA of A influenza virus in material obtained from dead chickens and in inoculated embryonated hen eggs. |
| Material from carcases and cloacal swabs were submitted for virological examination by inoculation into both embryonated fowl eggs and cell culture. |
| In addition, influenza viruses are usually passaged in embryonated chicken eggs before isolation. |
| Viral cultures are being carried out on embryonated eggs in order to isolate the virus and determine its intracerebral pathogenicity index. |
| The influenza viruses multiply very effectively in the embryonated hen's eggs. |
