Table 4. Immune responses of nursing piglets from sows fed diets supplemented with spray-dried plasma1)

Item Dietary treatments SEM p-value
CON2) SDP2)
Day 3 of lactation
 WBC (× 103/μL) 10.15 8.54 0.92 0.687
 TNF-α (pg/mL) 270.39 262.67 40.86 0.741
 TGF-β1 (pg/mL) 788.76 607.40 140.86 0.874
 CRP (ng/mL) 72.14 78.15 16.87 0.812
 Cortisol (ng/mL) 0.83 0.45 0.23 0.345
Day 7 of lactation
 WBC (× 103/μL) 13.15 12.98 1.30 0.465
 TNF-α (pg/mL) 423.57 349.87 38.99 < 0.10
 TGF-β1 (pg/mL) 980.41 853.49 58.99 < 0.10
 CRP (ng/mL) 119.42 115.18 26.95 0.586
 Cortisol (ng/mL) 1.05 0.62 0.15 < 0.10
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.
WBC, white blood cells; TNF-α, tumor necrosis factor-α; TGF-β1, transforming growth factor-β1; CRP, C-reactive protein.