InfIuence of Marek’s disease virus infections on antibody titers against newcastle disease virus and infectious bursal disease virus vaccines
Zhizhong Cui
Abstract
Zhizhong Cui
Abstract
Influence of Marek’s disease virus (MDV) infections on antibody titers induced by newcastle disease virus (NDV) and infectious bursal disease (IBDV) vaccines was studied.The results indicated that HI titers to NDV in birds challenged with vvMDV strain RBlB (at the age of 2 weeks) or vMDV strain GA (at the age of 7 days) were significantly lower than that in control birds.However,the ELISA titers to IBDV were not significantly different between MDV-infected birds and controls.
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Influence of Marek’s disease virus (MDV) infections on antibody titers induced by newcastle disease virus (NDV) and infectious bursal disease (IBDV) vaccines was studied.The results indicated that HI titers to NDV in birds challenged with vvMDV strain RBlB (at the age of 2 weeks) or vMDV strain GA (at the age of 7 days) were significantly lower than that in control birds.However,the ELISA titers to IBDV were not significantly different between MDV-infected birds and controls.
Key concepts: Infectious bursal disease, Newcastle disease, Virology, Virus, Biology, Titer, Marek's disease, Antibody titer