Table 5. Effects of dietary probiotics on intestinal microbiota of piglets challenged with Salmonella in Experiment 1

Items (Log₁₀CFU/g)		Small intestine		Large intestine
CHAL	PRO	Escherichia coli	Salmonella	Escherichia coli	Salmonella
-	NC	4.71	2.68^c	5.54	2.91^c
-	LA	4.59	2.53^c	5.49	2.79^c
-	38W	4.58	2.50^c	5.55	2.75^c
-	PK	4.66	2.48^c	5.59	2.92^c
-	PF30	4.67	2.51^c	5.51	2.97^c
+	NC	4.80	3.98^a	5.49	4.46^a
+	LA	4.54	3.66^b	5.56	4.12^b
+	38W	4.53	3.65^b	5.60	4.07^b
+	PK	4.71	3.91^a	5.62	4.65^a
+	PF30	4.77	3.81^ab	5.57	4.61^a
-		4.64	2.54	5.54	2.87
+		4.67	3.80	5.57	4.38
	NC	4.76^a	3.33^a	5.52	3.69^a
	LA	4.57^b	3.10^bc	5.53	3.46^b
	38W	4.56^b	3.08^c	5.58	3.41^b
	PK	4.69^a	3.20^b	5.61	3.79^a
	PF30	4.72^a	3.16^bc	5.54	3.79
p-value	CHAL	0.402	< 0.001	0.627	< 0.001
	PRO	0.002	< 0.001	0.896	< 0.001
	CHAL ⨯ PRO	0.423	0.031	0.977	0.007
SE		0.052	0.048	0.102	0.060

Values within a row with different superscripts are significantly different.
CHAL, challenged; PRO, probiotics; -, non-challenged with Salmonella; NC, non-supplemented with probiotics; LA, Lactobacillus plantarum; 38W, Pediococcus pentosaceus SMFM2016-WK1; PK, Pediococcus acidilactici K; PF30, Lactobacillus reuteri; +, challenged with Salmonella.