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  • Title: Aerosol vaccination against Newcastle disease. III. Field experiments in broiler chickens.
    Author: Villegas P, Anderson DP, Kleven SH, Vezey SA.
    Journal: Avian Dis; 1977; 21(1):16-25. PubMed ID: 843301.
    Abstract:
    Two different aerosol generators were used for aerosol-vaccination of 128,000 broiler-type chickens having moderate to low maternal antibody titers with the B1 and LaSota strains of Newcastle disease virus (NDV). Efficacy of vaccination was evaluated from resistance to challenge with a velogenic strain (Texas GB) of NDV and hemagglutination-inhibition (HI) antibody titers, Both aerosol generators induced adequate immune response at the aperture settings used. There was little detectable benefit from vaccination at 1 day old, but antibody response and resistance to challenge were good from vaccination at 10 and 28 days of age.
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