Table 7.

Effects of capsaicin on plasma and ovarian antioxidant indexes of 64-wk-old laying ducks.¹

Item	CON	150 mg/kg capsaicin		SEM	P-value
		PF	AF
Plasma
T-AOC, U/mL	7.55	7.61	9.26	0.81	0.26
T-SOD, U/mL	5.36	5.26	5.24	0.11	0.70
Gpx, U/mL	404c	430b	451a	5.89	<0.01
MDA, nmol/mL	3.34	3.20	2.67	0.26	0.19
Ovary
T-AOC, U/mg protein	7.37	8.38	8.20	0.87	0.69
T-SOD, U/mg protein	160	166	164	10.4	0.93
Gpx, U/mg protein	316	314	306	11.0	0.80
MDA, nmol/mg protein	8.49a	6.06b	2.65c	0.74	<0.01

^a,bMeans within a row with different superscript letters differ significantly (P < 0.05).

Abbreviations: AF, ad libitum fed; CON, basal control groups without supplementation of capsaicin; Gpx, glutathione peroxidase; MDA, malondialdehyde; PF, pair fed to control treatment; T-AOC, total antioxidant capacity; T-SOD, total superoxide dismutase.

¹Data are means for n = 6 replicates (2 ducks/replicate).