Table 10. Effects of different probiotics on growth performance in weaned piglets challenged Salmonella (Exp.2)

Items¹⁾		BW (kg)				ADG (g)				ADFI (g)				G:F
CHAL	PRO	D-5	D 0	D 7	D 11	D-5 to 0	D 0 to 7	D 7 to 11	D 0 to 11	D-5 to 0	D 0 to 7	D 7 to 11	D 0 to 11	D-5 to 0	D 0 to 7	D 7 to 11	D 0 to 11
−	NC	7.95	8.16	9.49	10.57	43	190^cde	269^b	219^cde	216^abc	345^bc	415	367^b	0.20	0.55^bcd	0.65	0.60^bcd
−	PC	7.98	8.38	10.16	11.30	80	255^ab	284^ab	265^ab	212^abc	356^b	389	360^b	0.36	0.72^ab	0.73	0.74^a
−	K	8.00	8.55	10.34	11.52	110	257^ab	294^ab	270^ab	210^bc	353^b	403	368^b	0.52	0.73^a	0.73	0.74^a
−	WK1	8.05	8.32	10.34	11.66	55	289^a	329^a	303^a	215^abc	393^a	445	411^a	0.26	0.74^a	0.74	0.74^a
−	K-WK1	8.10	8.72	9.85	10.97	124	162^e	282^ab	205^de	218^abc	314^d	424	361^b	0.57	0.51^cd	0.67	0.57^cd
+	NC	8.03	8.41	9.58	10.56	75	168^de	244^b	195^e	228^ab	349^bc	401	365^b	0.33	0.48^d	0.61	0.54^d
+	PC	7.91	8.50	10.16	11.26	117	237^abc	277^ab	252^bc	220^abc	350^bc	389	365^b	0.54	0.68^abc	0.71	0.69^ab
+	K	7.98	8.13	9.71	10.80	30	227^abcd	273^b	243^bcd	215^abc	332^cd	405	364^b	0.14	0.68^ab	0.67	0.67^abc
+	WK1	7.97	8.49	10.09	11.27	105	229^abcd	296^ab	253^bc	230^a	351^bc	414	369^b	0.45	0.65^abc	0.71	0.69^ab
+	K-WK1	7.96	8.39	9.92	11.00	86	219^bcde	269^b	237^bcd	208^c	340^bc	399	369^b	0.42	0.64^abcd	0.67	0.64^abc
−		8.01	8.42	10.04	11.20	82.40	230.60	291.60	252.40	214.20	352.20	415.20	373.40	0.38	0.65	0.70	0.68
+		7.97	8.38	9.89	10.98	82.60	216.00	280.67	236.00	220.20	344.40	401.60	366.40	0.38	0.63	0.68	0.65
	NC	7.99	8.28	9.54	10.56	59.00	179.00^b	269.00^b	207.00^b	222.00	347.00^b	408^ab	366.00^b	0.26	0.52^b	0.63^b	0.57^b
	PC	7.95	8.44	10.16	11.28	98.50	246.00^a	280.50^ab	258.50^a	216.00	353.00^b	389.00^b	362.50^b	0.45	0.70^a	0.72^a	0.71^a
	K	7.99	8.34	10.03	11.16	70.00	242.00^a	294.00^ab	256.50^a	212.50	342.50^b	404.00^b	366.00^b	0.33	0.70^a	0.70^ab	0.70^a
	WK1	8.01	8.41	10.22	11.46	80.00	259.00^a	312.50^a	278.00^a	222.50	372.00^a	429.50^a	390.00^a	0.36	0.69^a	0.73^a	0.71^a
	K-WK1	8.03	8.55	9.88	10.98	105.00	190.50^b	275.50^b	221.00^b	213.00	327.00^c	411.50^ab	365.00^b	0.49	0.58^b	0.67^ab	0.61^b
p-value	CHAL		0.839	0.503	0.318	0.991	0.095	0.008	0.005	0.019	0.006	0.014	0.001	0.940	0.317	0.098	0.037
	PRO		0.946	0.291	0.130	0.444	< 0.001	0.001	< 0.001	0.027	< 0.001	0.001	< 0.001	0.380	< 0.001	0.004	< 0.001
	CHAL×PRO		0.799	0.801	0.791	0.110	0.002	0.785	0.001	0.031	< 0.001	0.211	< 0.001	0.107	0.029	0.823	0.012
SE		0.08	0.10	0.10	0.11	9.12	7.15	4.56	5.46	1.55	3.25	3.41	2.43	0.04	0.02	0.01	0.01

CHAL −, non-challenge with Salmonella; NC, basal diet; PC, NC + 0.01% Lactiplantibacillus plantarum; K, NC + 0.1% Pediococcus acidilactic K; WK1, NC + 0.1% Pediococcus pentosaceus SMFM2016-WK1; K-WK1, NC + 0.05% P. acidilactici K + 0.05% P. pentosaceus SMFM2016-WK1; CHAL +, challenge with Salmonella.
Different letters in a same row indicate a significant difference (p < 0.05).
PRO, probiotics; BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain to feed ratio.