Table 1. Ingredient composition of experimental diets (as-fed basis)

Item Gestation diet Lactation diet
CON1) SDP1) CON SDP
Ingredients (%) 100.00 100.00 100.00 100.00
 Corn 75.82 76.72 65.54 66.53
 Soybean meal 21.30 19.40 31.81 29.82
 SDP - 1.00 - 1.00
 Limestone 0.90 0.90 0.85 0.85
 MDCP 1.58 1.58 1.40 1.40
 Vitamin premix2) 0.20 0.20 0.20 0.20
 Mineral premix3) 0.20 0.20 0.20 0.20
Calculated chemical composition
 ME (Mcal/kg) 3.32 3.32 3.43 3.43
 CP (%) 15.86 15.82 19.76 19.72
 Crude fat (%) 3.09 3.05 2.86 2.80
 Crude fiber (%) 2.97 3.00 3.33 3.36
 NDF (%) 8.71 8.78 10.78 10.81
 ADF (%) 4.18 4.20 4.63 4.65
 Calcium (%) 0.77 0.77 0.75 0.75
 Phosphorus (%) 0.64 0.65 0.65 0.65
 Lysine (%) 0.74 0.76 1.02 1.02
 Methionine (%) 0.25 0.25 0.30 0.30
 Threonine (%) 0.58 0.60 0.74 0.76
 Tryptophan (%) 0.16 0.16 0.22 0.22
CON, control sow diet based on corn and soybean meal; SDP, CON + 1% spray-dried plasma.
Provided per kilogram of diet: vitamin A, 10,000 IU; vitamin D3, 2,000 IU; vitamin E, 48 IU; vitamin K3, 1.5 mg; riboflavin, 6 mg; niacin, 40 mg; D-pantothenic acid, 17 mg; biotin, 0.2 mg; folic acid, 2 mg; choline, 166 mg; vitamin B6, 2 mg; and vitamin B12, 28 μg.
Provided per kilogram of diet: Fe, 90 mg from iron sulfate; Cu, 15 mg from copper sulfate; Zn, 50 mg from zinc oxide; Mn, 54 mg from manganese oxide; I, 0.99 mg from potassium iodide; Se, 0.25 mg from sodium selenite.
SDP, spray-dried plasma; MDCP, monodicalcium phosphate; ME, metabolizable energy; CP, crude protein; NDF, neutral detergent fiber; ADF, acid detergent fiber.