Researchers Compare Effectiveness of Recombinant Infectious Bursal Disease Vaccines

Both vaccines tested in this US study provided better protection in SPF maternal antibody-free white leghorns than in maternal antibody-positive broilers; the level of protection depended on the vaccine and on the challenge viruses. There were also differences between the ELISA kits in the detection of antibody induced by the recombinant vaccines.
calendar icon 13 August 2014
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