Table 8.

Effect of dietary Enterococcus faecium NCIMB 11181 supplementation on anti-Salmonella specific IgA (OD_450nm) of ileum mucosa and serum anti-Salmonella IgG (OD_450nm) of broiler chicken challenged with Salmonella Typhimurium

Items	ST1	IgA	IgG
Dosage, mg/kg
0	–	0.07c	0.45
200	–	0.12c	0.49
0	+	0.33b	1.05
200	+	0.48a	0.84
SEM2		0.015	0.066
Main factors
0		0.20	0.75
200		0.30	0.66
Non-challenged		0.10	0.47b
Challenged		0.41	0.94a
Main factors and Interaction (P-value)3
Enterococcus faecium		0.047	0.340
Challenged		0.009	< 0.001
Enterococcus faecium × Challenged		0.039	0.170

¹Challenged with Salmonella Typhimurium, –, without ST challenged, + , with ST challenged

²SEM, standard error of the mean

³P-value represent the main effect of the diet, the main effect of ST challenged, and the interaction between the dietary treatments and ST challenged

^a,bMeans in the same column without common superscripts differ significantly (P < 0.05)