Table 2. Effects of dietary fiber sources supplementation in lactation diet on performance of sows

	Treatment (%)1)				SEM	p-value
	Control	BP	BPPK	PK
Body weight (kg)
24 h postpartum	254.32	259.98	258.16	258.50	2.412	0.93
21 day of lactation	242.54	248.70	247.54	244.05	2.891	0.94
BW changes (0–21 d)	11.78	11.28	10.62	14.46	3.792	0.92
Backfat thickness (mm)
24 h postpartum	21.10	21.30	21.10	21.40	0.363	0.90
21 day of lactation	17.90	17.70	17.80	19.00	0.501	0.56
BF changes (0–21 d)	–2.20	–2.60	–3.30	–2.40	0.154	0.31
Farrowing duration (h)	5.68	5.31	5.22	5.39	0.102	0.33
ADFI (kg)	5.74	5.58	5.63	6.06	0.982	0.11
WEI (day)	4.52	5.06	4.71	4.90	0.231	0.43

Treatment: Control, corn-soybean meal (SBM)-DDGS based diet; BP, corn-soybean meal (SBM)-DDGS based diet with 3% of beet pulp; BPPK, corn-soybean meal (SBM)-DDGS based diet with 1.5% of beet pulp and 2% of palm kernel meal; PK, corn-soybean meal (SBM)-DDGS based diet with 4% of palm kernel meal.
ADFI, average daily feed intake; WEI, weaning to estrus interval; DDGS, distiller’s dried grains with solubles.