Table 3.

Effects of resveratrol and essential oils blend on serum levels of immunoglobulins (mg/mL) and TNF-α (pg/mL) of challenged piglets¹

Items	Treatments2				SE3	p-value
	NC	PC	T1	T2
IgG (mg/ml)	304c	366b	466a	409b	27.7	<0.01
IgM (mg/ml)	30.2	29.9	30.0	30.3	0.64	0.90
IgA (mg/ml)	6.33	5.80	6.85	6.87	0.83	0.04
TNF-α (pg/ml)	136a	99.0b	115ab	108ab	17.7	0.09

^a,b,cMeans in a row with no common superscripts significantly differ (p<0.05) or tend to differ (p<0.10).

¹Values represent the means of three pens with four pigs per pen.

²NC (Negative control), basal diet; PC (Positive control), basal diet+0.002% Apramycin; T1, basal diet+0.2% Respig (containing resveratrol); T2, basal diet+0.0125% Biomin PEP; (essential oils blend).

³Pooled standard error.