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Table 2 Number of Salmonella positive chickens in the ceca of vaccinated and non-vaccinated chickens following S . Agona, S . Dublin, S . Hadar and S . Enteritidis challenge

From: Immune protection of chickens conferred by a vaccine consisting of attenuated strains of Salmonella Enteritidis, Typhimurium and Infantis

 

Non-Vacc.

Vaccinated

Non-Vacc.

Vaccinated

Challenge

4 dpi

14 dpi

 Enteritidis

6/6a

6/6

6/6

5/6

 Agona

6/6

6/6

6/6

6/6

 Dublin

3/6

5/6

6/6

2/6

 Hadar

4/6

1/6

6/6

0/6#

  1. aNumber of Salmonella positive chickens/number of tested chickens.
  2. #Significantly different from the appropriate non-vaccinated control by χ2 test with P < 0.05.