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Table 1 Composition and nutrient level of the basal diet

From: Ascorbic acid synthesis and transportation capacity in old laying hens and the effects of dietary supplementation with ascorbic acid

Items Content, g/kg Nutrient level  
Corn 596 AME, MJ/kg 10.9
Soybean meal 236 Crude protein, g/kg 155
Wheat 41.3 Lysine, g/kg 7.4
Soybean oil 10.0 Methionine, g/kg 3.3
Calcium carbonate 95.0 Calcium, g/kg 40
Calcium phosphate 14.0 Available phosphorus, g/kg 3.4
DL-methionine 0.8 Total phosphorus, g/kg 5.8
Vitamin premixa 0.2   
Mineral premixb 2.0   
Sodium chloride 3.0   
Choline chloride 1.5   
Antioxidants 0.2   
  1. aProvided per kilogram of diet: vitamin A, 10,000 IU; vitamin D3, 2,400 IU; vitamin E, 40 IU; vitamin K3, 2 mg; vitamin B1, 2 mg; vitamin B2, 6.4 mg; vitamin B6, 3 mg; vitamin B12, 0.02 mg; folic acid, 1 mg; niacin, 30 mg; Ca-pantothenate acid, 10 mg
  2. bProvided per kilogram of diet: Cu, 8 mg; Zn, 75 mg; Fe, 80 mg; Mn, 100 mg; Se, 0.15 mg; I, 0.35 mg