Table 2. Productive performance of lactating sows fed diets supplemented with spray-dried plasma¹⁾

Item	Dietary treatments		SEM	p-value
Item	CON²⁾	SDP²⁾	SEM	p-value
Parity	2.1	2.0	0.30	0.733
Lactation days (d)	28.00	26.16	0.76	0.118
Initial BW on d 1 after farrowing (kg)	226.14	229.42	3.12	0.471
Final BW at weaning (kg)	208.80	218.61	3.73	0.092
Sow BW change (kg)	−17.34	−10.81	2.45	0.081
Total feed intake (kg)	183.83	180.48	4.07	0.530
ADFI (kg)	6.57	6.89	0.11	0.114
Initial backfat depth (mm)	20.50	20.75	1.88	0.789
Final backfat depth (mm)	17.20	17.26	1.53	0.987
Backfat depth change (mm)	3.30	3.49	1.50	0.856
Born alive piglets (n)	11.16	10.20	1.42	0.655
Dead piglets (n)³⁾	1.50	1.20	0.58	0.437
Pre-weaning mortality (%)	13.44	11.76	3.47	0.563
Weaned piglets (n)	9.66	9.00	0.28	0.284
Piglets BW at birth (kg)	1.60	1.80	0.07	0.145
Piglets BW at weaning (kg)	5.82	6.35	0.41	0.439
ADG of piglets (g/d)	150.15	173.03	7.58	0.082

Values are presented as the least squares mean of 6 replicates.
CON, control sow diet based on corn and soybean meal; SDP, CON + 1% spray-dried plasma.
Stillborn and piglets died before weaning.
BW, body weight; ADFI, average daily feed intake; ADG, average daily gain.