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OJVRTM
Online Journal of Veterinary Research©
Volume 16 (6): 314-320,
2012. Extensively redacted 2017.
Effect of Newcastle and infectious
bronchitis vaccines on systemic antibody responses in chickens
Mayahi M DVM PhD, Talazadeh F DVM PhD and Aslahi H
DVM.
Department
of Clinical Sciences, Faculty of Veterinary Medicine, Shahid
Chamran University of Ahvaz, Iran
ABSTRACT
Mayahi M ,Talazadeh
F, Aslahi H., Effect of Newcastle and infectious
bronchitis vaccines on systemic antibody responses in chickens, Onl J Vet Res., 16(6): 314-320, 2012. Infectious Bronchitis (IB) and
Newcastle Disease (ND) cause great losses in poultry. Chickens were vaccinated
simultaneously with Hitchner B1 vaccine Cevac® in the left eye and H120 Cevac®
in the right eye at 1 day of age and with oral drop at 18 days. Another group
was vaccinated with single ND Hitchner B1 Cevac® at 1 day of age by ocular route and oral drop at 18 days . Sera were collected at 18 and 45 days of age for
evaluation of antibody levels. There was no statistical difference in antibody
levels between chickens simultaneously given Newcastle and Infectious
Bronchitis vaccines and those given a single ND vaccine on the basis of an
immune response against NDV and IBV.
Key
words: Immune response, Newcastle disease, infectious bronchitis
, live vaccines , broiler chicks.