Abstract
Glycoproteins B (MDV1-gB) and C (MDV1-gC) of Marek's disease virus type 1 (MDV 1) expressed by baculovirus recombinants [rAcNPV(s)] were investigated for their ability to confer protective immunity in chickens against virulent MDV1 challenge. Immunization of chickens with rAcNPV-expressed MDV1-gB induced antibody against MDV1 and resulted in strong protection against the lethal challenge with MDV1. In contrast, immunization of chickens with rAcNPV-expressed MDV1-gC induced antibody against MDV1, but failed to protect against challenge with the virulent MDV1. Co-immunization with both rAcNPV-expressed MDV1-gB and MDV1-gC seemed to show no synergistic effect.
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