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Table 1 Ingredient composition and nutrient levels of the experimental diets (% as fed)

From: Effects of L-lysine·H2SO4 product on the intestinal morphology and liver pathology using broiler model

Items Dietary L-lysine·H2SO4 levels (%) fed from d 1 to 21 Dietary L-lysine·H2SO4 levels (%) fed from d 22 to 35
0 1 4 7 10 0 1 4 7 10
Ingredient, %
 Corn 59.12 59.75 62.41 65.21 68.85 60.67 61.27 63.67 67.77 71.58
 Soybean meal 31.00 29.40 24.00 19.95 14.65 31.75 30.10 24.45 18.34 12.43
 Fish meal 3.25 3.15 2.95 1.55 1.00 0.00 0.00 0.00 0.00 0.00
 Soybean meal 3.00 2.97 2.80 2.00 1.00 4.00 4.00 3.95 2.70 1.70
 Limestone 1.40 1.46 1.35 1.30 1.25 1.10 1.15 1.20 1.25 1.20
 Dicalcium phosphate 1.10 1.12 1.20 1.50 1.60 1.40 1.40 1.52 1.55 1.55
 Salt 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30
 Mineral and vitamin premix1 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50
L-lysine·H2SO4 0.00 1.00 4.00 7.00 10.00 0.00 1.00 4.00 7.00 10.00
DL-methionine 0.15 0.16 0.20 0.25 0.28 0.10 0.10 0.15 0.20 0.21
L-tryptophan 0.00 0.00 0.00 0.04 0.07 0.00 0.00 0.00 0.02 0.06
L-threonine 0.00 0.01 0.11 0.22 0.32 0.00 0.00 0.08 0.19 0.29
 Choline chloride 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13
 Antioxidant 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05
Calculated nutritional value
 ME, Mcal/kg 3.04 3.05 3.10 3.10 3.10 3.10 3.11 3.16 3.15 3.16
Analyzed nutritional value, %2
 Dry matter 88.24 88.33 88.62 88.85 88.82 89.10 89.11 89.28 89.47 90.03
 Crude protein 21.70 22.82 22.59 23.13 22.71 20.02 21.20 21.58 20.40 20.31
 Total calcium 1.05 1.14 0.73 0.71 1.01 0.96 1.20 0.97 0.82 1.10
 Total phosphorus 0.49 0.55 0.49 0.61 0.57 0.57 0.55 0.54 0.55 0.58
 Lysine 1.30 1.89 3.18 4.19 5.78 1.25 1.69 3.57 4.61 6.47
 Tryptophan 0.23 0.23 0.20 0.21 0.19 0.23 0.22 0.19 0.18 0.20
 Methionine 0.49 0.49 0.49 0.48 0.43 0.36 0.38 0.42 0.42 0.39
 Cystine 0.30 0.29 0.28 0.25 0.21 0.28 0.29 0.28 0.25 0.21
 Threonine 0.81 0.80 0.83 0.83 0.80 0.78 0.75 0.73 0.75 0.77
  1. 1The mineral and vitamin premix provided the following per kg of feed: zinc, 75 mg; iron, 200 mg; copper, 15 mg; iodine, 0.88 mg; selenium, 0.35 mg; manganese, 100 mg; vitamin A, 9000 IU; vitamin D3, 3750 IU; vitamin E, 25 IU; vitamin K3, 2 mg; thiamine, 1.5 mg; vitamin B12, 120 μg; riboflavin, 6 mg; nicotinic acid, 40 mg; pantothenic acid, 10 mg; pyridoxine, 3 mg; biotin, 0.1 mg
  2. 2Values are the means of a chemical analysis conducted in duplicate, n = 6/diet