Dietary resveratrol improves antioxidant status of sows and piglets and regulates antioxidant gene expression in placenta by Keap1-Nrf2 pathway and Sirt1

Table 3 Effects of dietary resveratrol supplementation during gestation and lactation on reproductive performance of sows

Item	Con		Res		P-value
Item	Mean	SEM	Mean	SEM	P-value
Sow back-fat thickness, mm
Gestation (d 20)	14.44	0.87	14.22	0.99	0.867
Gestation (d 110)	17.35	1.26	17.43	1.44	0.968
Gain	2.91	0.39	3.21	0.47	0.623
Parturition	17.47	1.29	17.58	0.35	0.956
Weaning	15.80	1.09	15.84	0.95	0.976
Loss	1.68	0.29	1.74	0.49	0.915
Reproductive performance
Number of piglets born	12.05	0.62	13.00	0.69	0.311
Litter birth weight, kg	17.59	0.82	18.52	0.67	0.388
Piglet birth weight, kg	1.48	0.06	1.47	0.07	0.898
Number of piglets born alive	11.32	0.60	11.94	0.54	0.444
Born alive litter weight, kg	16.71	0.80	17.52	0.54	0.410
Born alive piglet weight, kg	1.51	0.06	1.51	0.07	0.979
Number of piglets weaned	9.42	0.26	9.61	0.32	0.647
Litter weaning weight, kg	48.98	1.46	57.26	2.44	0.006
Piglet weaning weight, kg	5.24	0.12	5.84	0.20	0.015
Pre-weaning survival rate, %	84.79	0.03	83.00	0.03	0.626

Con Control treatment; Res Resveratrol treatment. All values are expressed as means and SEM (n = 20)

ISSN: 2049-1891