id author title date pages extension mime words sentences flesch summary cache txt cord-301810-vtgdqart Aston, Emily J. Effect of Pullet Vaccination on Development and Longevity of Immunity 2019-02-02 .txt text/plain 7115 321 45 Because of the need to protect long-lived poultry against respiratory tract pathogens from an early age, vaccination programs for pullets typically involve serial administration of a variety of vaccines, including infectious bronchitis virus (IBV), Newcastle disease virus (NDV), and infectious laryngotracheitis virus (ILTV). At 5 days following challenge with IBV GA98, vaccinated/challenged birds had significantly lower RNA loads compared to positive controls at all collection times and in all tissue samples, with the exception of cecal tonsil at 24 WOA (Table 1 ). ILTV-specific IgG titers in serum collected 5 days post-challenge were significantly higher in vaccinated birds from both challenged and non-challenged groups, compared to the positive and negative controls ( Figure 6 ). ILTV-specific IgG titers in serum collected 5 days post-challenge were significantly higher in vaccinated birds from both challenged and non-challenged groups, compared to the positive and negative controls ( Figure 6 ). ./cache/cord-301810-vtgdqart.txt ./txt/cord-301810-vtgdqart.txt