Some studies on Avian Influenza in Egypt Ⅰ. Experimental trial for evaluation of humoral immunity vaccinated chickens and ducks with different commercial of Avian Influenza vaccines | ||||
| Veterinary Medical Journal (Giza) | ||||
| Volume 57, Issue 4, October 2009, Page 683-694 PDF (3.65 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/vmjg.2011.368057 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Yahya S1; Manal Afifi2; A Khir Eldin2 | ||||
| 1General organisation of Veterinary Services. | ||||
| 2Dept of Poultry Diseases, Faculty of veterinary Medicine, Cairo University, | ||||
| Abstract | ||||
| In experimental study to evaluate the potency of 6 types of inactivated (Avian influenza vaccines) (one HSNI1 and five H5N2) administered at 7 days old chickens as well as to evaluate the potency of 2 types of inactivated Al-vaccines (one H5N1 and one H5N2) administered at 7 days old ducklings with full dose (0.5 cm s/c). The results revealed that these vaccines were different; all gave mean Haemagglutination inhibition titer varied from 2 to 5.9 log 2 along 5weeks post vaccination using homologous and heterologous antigens. These results declared that once vaccination not enough for the protection HI level against the circulating challenge viruses. | ||||
|
Statistics Article View: 60 PDF Download: 35 |
||||
