Table 2.

The antioxidant capacity of serum in weaning piglets¹.

Item	Dietary treatment		P-value
	CON	TA
CAT, U/ml	46.03 ± 11.86	30.55 ± 6.78	0.606
GSH-PX, U/ml	443.06 ± 4.76	437.67 ± 2.16	0.506
SOD, U/ml	19.14 ± 0.63	19.87 ± 0.80	0.397
MDA, nmol/ml	4.76 ± 0.51a	3.17 ± 0.18b	0.035

¹Values are expressed as mean ± SEM; n = 9.

CON, basic diet; TA, a basic diet supplemented with 1,000 mg/kg tannic acid.

^{a, b}values in the same row not sharing a common superscript differ significantly.