Table 3.

Serum biochemical measures of weaned pigs fed diets containing graded levels of isomaltooligosaccharides

Item	Level of isomaltooligosaccharides (%)					SEM	p-value
	0.0	0.2	0.4	0.6	0.8		Linear	Quadratic
d 14
Immunoglobulin A (g/L)	0.95	1.11	1.27	1.26	1.31	0.08	<0.01	0.21
Immunoglobulin M (g/L)	0.71	0.84	0.93	0.87	0.94	0.04	<0.01	0.13
Immunoglobulin G (g/L)	6.92	8.05	8.58	8.69	8.12	0.26	0.01	<0.01
Interleukin-2 (ng/mL)	4.87	5.10	5.58	5.44	4.67	0.37	0.96	0.11
Interleukin-6 (pg/mL)	216.77	162.64	169.11	148.68	156.17	9.96	<0.01	0.03
Interleukin-8 (ng/mL)	0.70	0.67	0.63	0.61	0.66	0.05	0.39	0.34
d 28
Immunoglobulin A (g/L)	1.19	1.10	0.92	1.10	1.07	0.09	0.46	0.20
Immunoglobulin M (g/L)	0.90	0.90	0.98	0.83	0.83	0.05	0.29	0.28
Immunoglobulin G (g/L)	8.36	8.22	8.64	8.40	8.40	0.25	0.76	0.72
Interleukin-2 (ng/mL)	3.63	3.57	4.17	5.69	5.67	0.34	<0.01	0.51
Interleukin-6 (pg/mL)	143.39	136.56	141.66	158.06	147.24	11.84	0.47	0.94
Interleukin-8 (ng/mL)	0.38	0.34	0.34	0.53	0.33	0.03	0.51	0.49

SEM, standard error of the mean.

Values are the means of six replicates.