Live recombinant avian vaccine based on an avianherpes virus, against Gumboro disease

摘要

The live recombinant avian vaccine comprising, as a vector, an avian herpes virus comprising at least one nucleotide sequence encoding and expressing an antigenic polypeptide of an avian pathogenic agent, inserted into the UL43 gene under the control of the CMV immediate early promoter. The vector is preferably selected from the group consisting of viruses of Marek's disease (MDV and HVT), Infectious laryngotracheitis ILTV and duck herpes. A multivalent vaccine formula comprises at least two vaccines of this type, with different inserted sequences.