Su, S Deletion of the BAC sequences from recombinant meq-null Marek's disease (MD) virus increases immunosuppression while maintaining protective efficacy against MD. [electronic resource] - Poultry science Jul 2016 - 1504-1512 p. digital Publication Type: Journal Article ISSN: 1525-3171 Standard No.: 10.3382/ps/pew067 doi Subjects--Topical Terms: AnimalsChickensChromosomes, Artificial, Bacterial--geneticsHerpesvirus 2, Gallid--geneticsImmunosuppression Therapy--veterinaryMarek Disease--immunologyPoultry Diseases--immunologyReticuloendotheliosis virus--geneticsSpecific Pathogen-Free OrganismsTerminal Repeat Sequences