Table 5. Effects of Bacillus-based probiotics on immune responses of weaned pigs¹⁾

Item	Dietary treatments		SEM	p-value
Item	CON	PRO	SEM	p-value
Day 7
Number of white blood cells (×10³/μL)	17.47	17.92	2.277	0.892
CRP (ng/mL)	152.98	282.30	56.45	0.167
Cortisol (ng/mL)	1.21	2.47	0.56	0.172
TGF-β1 (pg/mL)	590.85	987.28	139.03	0.092
TNF-α (pg/mL)	317.94	366.82	17.98	0.079
IgA (ng/mL)	72.17	66.71	5.89	0.527
IgG (ng/mL)	945.69	943.74	13.29	0.919
IgM (ng/mL)	234.02	199.70	43.52	0.589
Day 14
Number of white blood cells (×10³/μL)	20.32	20.13	2.113	0.952
CRP (ng/mL)	149.88	191.47	43.33	0.529
Cortisol (ng/mL)	1.44	2.02	0.40	0.353
TGF-β1 (pg/mL)	636.03	1,095.56	153.67	0.089
TNF-α (pg/mL)	341.43	386.42	17.47	0.903
IgA (ng/mL)	88.17	80.53	9.59	0.586
IgG (ng/mL)	972.57	956.67	17.79	0.251
IgM (ng/mL)	161.92	182.53	26.49	0.594

Each value presented as the least square mean of 5 replicates.
CON, control diet based on soy-bean meal diet; PRO, control + 0.01% Bacillus-based probiotics; CRP, C-reactive protein; TGF-β1, transforming growth factor-β1; TNF-α, tumor necrosis factor-α; IgA, immunoglobulin A; IgG, immunoglobulin G; IgM, immunoglobulin M.