Table 1. Composition of the commercial diets for weaned pigs (as-fed basis)1)

Items Phase 1 Phase 2
PC NC PC NC
Ingredients (%) 100.00 100.00 100.00 100.00
  Corn 45.00 47.00 50.86 52.58
  Soybean meal (44%) 18.00 16.00 27.00 25.28
  Dried whey 15.00 15.00 10.00 10.00
  Soy protein concentrate - - - -
  meal 11.46 11.46 8.00 8.00
  Spray-dried plasma 4.00 4.00 - -
  Lactose 3.00 3.00 - -
  Soybean oil 3.00 3.00 3.00 3.00
  Limestone 0.50 0.50 0.60 0.60
  Monocalcium phosphate - - 0.40 0.40
  Vit-Min premix2) 0.04 0.04 0.04 0.04
  L-Lysine-HCl - - 0.10 0.10
  DL-Methionine - - - -
  L-Threonine - - - -
Calculated nutrient compositions
  Metabolizable energy (Mcal/kg) 3.54 3.54 3.49 3.49
  Crude protein (%) 23.71 23.10 22.36 21.75
  Calcium (%) 0.85 0.85 0.82 0.82
  Phosphorus (%) 0.72 0.72 0.68 0.68
  Lysine (%) 1.54 1.50 1.40 1.36
  Methionine (%) 0.44 0.43 0.41 0.40
  Threonine (%) 1.02 0.97 0.90 0.85
  Tryptophan (%) 0.29 0.29 0.26 0.26
  Cysteine (%) 0.42 - 0.35 -
  Arginine (%) 1.39 1.36 1.38 1.35
  Histidine (%) 0.63 0.62 0.60 0.59
  Isoleucine (%) 0.98 0.96 0.94 0.92
  Leucine (%) 2.02 1.99 1.88 1.85
  Phenylalanine (%) 1.09 - 1.04 -
  Valine (%) 1.17 1.14 1.02 0.99
Phase 1: week 1 to 3 (21 days); phase 2: week 4 to 6 (21 days);
Provided per kilogram of diet: vitamin A, 12,000 IU; vitamin D3, 2,500 IU; vitamin E, 30 IU; vitamin K3, 3 mg; D-pantothenic acid, 15 mg; nicotinic acid, 40 mg; choline, 400 mg; and vitamin B12, 12 μg; Fe, 90 mg from iron sulfate; Cu, 8.8 mg from copper sulfate; Zn, 100 mg from zinc oxide; Mn, 54 mg from manganese oxide; I, 0.35 mg from potassium iodide; Se, 0.30 mg from sodium selenite.
PC, positive control; NC, negative control.