Efficacy of a commercial Newcastle vaccine against velogenic viscerotropic Newcastle disease virus.
Effects of parental immunity and method of vaccination were studied in broiler chickens vaccinated with a commercial LaSota vaccine and challenged with the Fontana strain of velogenic viscerotropic Newcastle disease (VVND). Immunity was satisfactory from all methods of vaccination used.
D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D009521:Newcastle Disease / Q000276:immunology / Q000517:prevention & control*; D009522:Newcastle disease virus / Q000276:immunology*; D014765:Viral Vaccines
D014765:Viral Vaccines