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Haemagglutination activity of NDV LaSota, vNDV, Influenza H9N2 strains treated by BS1 and BS2 solutions in embryonated chicken embryos.
| Treatment | Concentration (mg/ml) | HA titer |
|---|---|---|
| NDV LaSota | ||
| BS1 | 7.5 | 4 |
| 3.75 | 4 | |
| 1.87 | 7 | |
| 0.93 | 7 | |
| BS2 | 7.5 | 4 |
| 3.75 | 4 | |
| 1.87 | 7 | |
| 0.93 | 7 | |
| Virus control | – | 8 |
| BS1 Control | 3.75 | Negative |
| BS2 Control | 3.73 | Negative |
