Evaluation of an inactivated infectious bursal disease virus vaccine prepared using a local isolate from Egypt | ||||
| Benha Veterinary Medical Journal | ||||
| Article 8, Volume 28, Issue 1, March 2015, Page 67-77 PDF (258.66 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bvmj.2015.32655 | ||||
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| Authors | ||||
| El-Bagoury G.F.1; El-Habbaa A. S.1; Nada A. F. El-Sayed2; Abu-Zied A. A.2 | ||||
| 1Department of Virology, Faculty of Veterinary Medicine, Benha University, Egypt | ||||
| 2Veterinary Serum and Vaccine Research Institute, Abassia, Cairo | ||||
| Abstract | ||||
| Inactivated infectious bursal disease virus (IBDV) vaccine was prepared using a local isolate from Egypt with Montanide ISA70VG as oil adjuvant. The prepared vaccine was evaluated in comparison with an inactivated imported vaccine. Chicks vaccinated with either prepared or imported vaccines showed high serum antibody titers from the 3rd week post vaccination and reached the highest titer at the 4th week post vaccination using SNT and ELISA. Duration of suitable immune response prolonged to 14 weeks post vaccination for the prepared vaccine and 16 weeks post vaccination for the imported vaccine. Both prepared and imported vaccines showed 100% protection in vaccinated chicks challenged with the very virulent IBDV 21 days post vaccination with no clinical signs or lesions on examination. It was concluded that inactivated vaccine prepared from local isolated IBDV strain was safe, potent and immunogenic in young chicks. | ||||
| Keywords | ||||
| IBDV; inactivated vaccine; SNT; ELISA | ||||
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