Immunosuppressive effects of virulent strain of hemorrhagic enteritis virus in turkeys vaccinated against Newcastle disease.

K. V. Nagaraja, S. Y. Kang, J. A. Newman

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

One week after infection with a virulent strain of hemorrhagic enteritis virus (HEV), turkeys were vaccinated for Newcastle disease. The effect of a virulent strain of HEV on turkeys' immune response to Newcastle disease vaccine and the mitogenic response of their whole blood peripheral lymphocytes were examined. The results revealed a statistically significant difference (P less than .01) in the Newcastle disease hemagglutination inhibition (NDHI) antibody titers from turkeys infected with virulent HEV. The NDHI antibody titers were lower in turkeys exposed to virulent HEV before vaccination. There was an initial depression in phytohemagglutinin (PHA) response 1 week postinfection in turkeys infected with virulent HEV strain.

Original languageEnglish (US)
Pages (from-to)588-590
Number of pages3
JournalPoultry science
Volume64
Issue number3
DOIs
StatePublished - Mar 1985

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