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. 2013 Apr;26(4):579–587. doi: 10.5713/ajas.2012.12612

Table 2.

Ingredient composition and chemical analysis of diets fed to determine the effects of level of digestible energy (DE) and β-mannanase on performance and digestibility in growing pigs (Exp. 2)

Item 3,250 kcal/kg DE 3,400 kcal/kg DE
0 U/kg β-Mannanase 400 U/kg β-Mannanase 0 U/kg β-Mannanase 400 U/kg β-Mannanase
Ingredient (% as fed)
  Corn 64.10 64.10 66.45 66.45
  Soybean meal (44% CP) 20.26 20.26 22.50 22.50
  Wheat bran 11.22 11.20 5.00 4.98
  Soybean oil 0.00 0.00 1.53 1.53
  Limestone 0.80 0.80 0.68 0.68
  Dicalcium phosphate 1.40 1.40 1.60 1.60
  Salt 0.35 0.35 0.35 0.35
  L-Lysinew·HCl (78%) 0.27 0.27 0.28 0.28
  Threonine 0.04 0.04 0.05 0.05
  Choline 0.20 0.20 0.20 0.20
  Antibiotic 0.06 0.06 0.06 0.06
  Chromium oxide 0.30 0.30 0.30 0.30
  Vitamin-mineral premix1 1.00 1.00 1.00 1.00
  β-Mannanase preparation2 0.00 0.02 0.00 0.02
Chemical composition (as fed)
  Digestible energy (kcal/kg)3 3,250 3,250 3,400 3,400
  Crude protein (%)4 17.79 17.97 18.78 18.63
  Calcium (%)4 0.69 0.71 0.73 0.67
  Total phosphorus (%)4 0.56 0.54 0.60 0.63
  Lysine (%)4 0.98 0.95 1.10 1.07
  Threonine (%)4 0.60 0.61 0.69 0.68
  Tryptophan (%)4 0.18 0.19 0.19 0.19
  Methionine (%)4 0.26 0.25 0.28 0.29
1

Premix provided the following per kg of complete diet: vitamin A, 6,000 IU; vitamin D3, 2,400 IU; vitamin E, 21.6 IU; vitamin K3, 2 mg; vitamin B1, 0.96 mg; vitamin B2, 5.2 mg; vitamin B6, 2 mg; vitamin B12, 12 μg; nicotinic acid, 22 mg; pantothenic acid, 11.2 mg; folic acid, 0.4 mg; biotin, 40 μg; choline chloride, 0.4 g; Fe, 120 mg; Cu, 140 mg; Zn, 100 mg; Mn, 16 mg; I, 0.24 mg; Se, 0.4 mg; Ca, 7.2 g; P, 0.8 g; NaCl, 4.4 g.

2

Enzyme supplement contained approximately 2,000,000 units of β-mannanase per kg which was produced by mixing fermentation broth with wheat bran.

3

Values were calculated according to NRC (1998).

4

Analyzed values.