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

	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#

^aNumber of Salmonella positive chickens/number of tested chickens.

^#Significantly different from the appropriate non-vaccinated control by χ² test with P < 0.05.