Table 2. Effects of dietary NTS supplementation in lactation diet on physiological response of sows

Item	Treatments¹⁾				SEM	p-value
Item	Control	NTS0.1	NTS0.2	NTS0.4	SEM	Lin.	Quad.
Body weight (kg)
24 h postpartum	264.55	265.38	267.96	267.15	5.365	0.80	0.89
14^th day of lactation	265.01	266.18	257.51	261.90	5.882	0.66	0.77
21^st day of lactation	262.75	262.00	258.03	257.85	6.222	0.66	0.93
Changes (21–0 d)	−1.80	−3.38	−9.93	−9.30	2.124	0.14	0.64
Backfat thickness (mm)
24 h postpartum	21.58	20.83	26.16	24.00	0.959	0.14	0.47
14^th day of lactation	21.41	20.66	23.66	22.16	1.006	0.57	0.73
21^st day of lactation	19.50	17.66	23.25	22.25	1.109	0.17	0.89
Changes (21−0 d)	−2.08	−3.17	−2.91	−1.75	0.479	0.71	0.30
ADFI (kg)	6.69	6.49	5.99	6.40	0.258	0.61	0.52

Treatment: Con, corn-soybean meal (SBM) based diet; T1, corn-soybean meal based diet with 0.1% of NTS (non-toxic sulfur); T2, corn-soybean meal based diet with 0.2% of NTS; T3, corn-soybean meal based diet with 0.4% of NTS.
Lin., linear; Quad., quadratic.