Table 9.

Immune status and oxidative stress of nursery pigs fed diets with increasing supplementation of functional oils.

Item	Functional Oils, g/kg Feed 1						p-Value
	0.00	0.50	0.75	1.00	1.50	SEM	Linear	Quadratric	0 vs. FO
TNF-α 2, pg/mg of protein	0.47	0.54	0.43	0.37	0.64	0.09	0.323	0.130	0.810
IL-8 3, pg/mg of protein	650	625	530	558	771	117	0.388	0.200	0.825
MDA 4, µmol/mg of protein	0.57	0.70	0.57	0.61	0.57	0.19	0.734	0.925	0.765
PC 5, nmol/mg of protein	3.11	2.42	2.83	2.45	2.55	0.37	0.304	0.421	0.064
IgA 6, µg/mg of protein	3.41	4.17	4.32	3.69	3.75	0.70	0.941	0.645	0.497
IgG 7, µg/mg of protein	2.42	1.71	1.65	2.43	2.02	0.53	0.980	0.893	0.432

¹ Five supplemental levels of functional oils (n = 40 total, n = 8 per supplemental level); results are shown as least squared means. ² Tumor necrosis factor-alpha; ³ Interleukin 8; ⁴ Malondialdehyde; ⁵ Protein carbonyl; ⁶ Immunoglobulin A; ⁷ Immunoglobulin G.