Comparative studies on different strains of infectious bursal disease virus for preparation of high quality inactivated oil emulsion vaccine

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An immunological comparative study was done using 4 vaccinal strains of infectious bursal disease virus (IBDV) [BursaVac-M. D78. IBD-Blen and 228E] in order to prepare an inactivated oil emulsion IBDV vaccine. Experimental vaccines prepared using the fore mentioned strains pools. The antibody response was measured using serum neutralization test (SNT) and enzyme linked immunosorbent assay (ELISA) tests. Obtained results revealed that the most efficient vaccines were IBD-Blen and BursaVac-M. The results were confirmed after challenge test using the virulent IBDV field strain.

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