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Table 1 Ingredient and nutrition composition of experimental diets (DM basis)

From: The optimal dietary arginine level of laying hens fed with low-protein diets

Ingredients, % Controla Dietary arginine level in LP diet, %b
0.80 0.85 0.90 0.95 1.00
Corn 62 68.61 68.55 68.51 68.46 68.41
Soybean meal (46% CP) 23 16.81 16.81 16.81 16.81 16.81
Soybean oil 1
Limestone 8 8 8 8 8 8
Premixc 6 6 6 6 6 6
L-Lysine-H2SO4 (70%) 0.2 0.2 0.2 0.2 0.2
DL-Met (99%) 0.03 0.03 0.03 0.03 0.03
L-Thr (99%) 0.11 0.11 0.11 0.11 0.11
L-Trp (99%) 0.04 0.04 0.04 0.04 0.04
L-Val (99%) 0.1 0.1 0.1 0.1 0.1
L-Ile (99%) 0.1 0.1 0.1 0.1 0.1
L-Arg (99%) 0.05 0.10 0.15 0.20
Calculated analysis
 ME, kcal/kg 2643 2643 2643 2643 2643 2643
 Trp, % 0.21 0.21 0.21 0.21 0.21 0.21
Analyzed valuesd, %
 CP 15.93 14.14 13.98 14.18 14.08 14.08
 Ca 3.52 3.49 3.46 3.50 3.60 3.51
 AP 0.46 0.46 0.47 0.45 0.42 0.46
 Lys 0.93 0.91 0.94 0.92 0.89 0.90
 Met 0.43 0.41 0.40 0.43 0.38 0.41
 Met+Cys 0.69 0.66 0.69 0.69 0.66 0.68
 Thr 0.69 0.65 0.68 0.65 0.65 0.67
 Gly 0.50 0.47 0.49 0.47 0.47 0.48
 Val 0.73 0.72 0.74 0.71 0.71 0.73
 Ile 0.63 0.58 0.61 0.60 0.59 0.62
 Leu 1.26 1.19 1.20 1.18 1.20 1.21
 Phe 0.66 0.65 0.66 0.67 0.67 0.66
 Asp 1.10 1.09 1.15 1.11 1.11 1.12
 Ser 0.62 0.59 0.61 0.61 0.59 0.62
 Glu 2.43 2.37 2.34 2.36 2.36 2.35
 Ala 0.67 0.65 0.67 0.66 0.66 0.65
 His 0.47 0.45 0.43 0.43 0.43 0.44
 Arg 0.96 0.80 0.86 0.91 0.95 1.02
 Arg:Lys 103 88 91 99 107 113
  1. aThe control hens were fed a diet with 16% protein level;
  2. bThe experimental groups were provided a 14% protein diets (0.80% Arginine) supplemented with 0, 0.05%, 0.10%, 0.15%, and 0.20% L-Arg, respectively;
  3. cThe premix provide the follow quantities (per kilogram): vitamin A, 230 KIU; vitamin D3, 75 KIU; vitamin K, 86 mg; vitamin B1, 60 mg; vitamin B2, 150 mg; vitamin B6, 75 mg; vitamin E, 500 mg; niacin, 750 mg; pantothenic acid, 200 mg; biotin, 4 mg; iron, 1.5 g; selenium, 10 mg; copper, 300 g; zinc, 2.3 g; iodine, 20 mg; manganese, 2.4 g, Ca, 13.83%; AP, 3.33%; Lys, 2.17%; Met, 2.93%; salt, 5.67%;
  4. dThe amino acid content in this table refer to total amino acid levels