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Table 1 Feed ingredients and nutrition levels for background period and different treatment groups during finishing

From: Effects of different dietary energy and protein levels and sex on growth performance, carcass characteristics and meat quality of F1 Angus × Chinese Xiangxi yellow cattle

Item Background Finishing
HE LE
   LP HP LP HP
Ingredient, % DM      
  Hybrid penisetum 20.00
  Rice straw 20.00 20.00 20.00 30.00 30.00
  Ground corn 29.90 66.54 61.03 41.23 36.83
  Soybean meal 19.18 10.46 15.97 3.70 7.86
  Cottonseed meal 7.45 4.32 7.56
  Wheat bran 18.00 15.00
  Limestone 0.67 1.00 1.00 1.00 1.00
  Sodium bicarbonate 1.00
  Salt 1.20 1.20 1.20 1.05 1.05
  Premix1 0.60 0.80 0.80 0.70 0.70
Nutrient level, % DM      
  DM 74.19 86.31 86.45 86.69 86.85
  CP 16.52 11.96 14.34 11.90 14.30
  TDN 68.22 79.78 79.87 69.95 70.03
  NDF 34.27 21.60 21.81 33.09 33.24
  ADF 20.53 11.27 11.59 17.75 18.40
  Ca 0.42 0.39 0.40 0.41 0.42
  P 0.31 0.23 0.24 0.35 0.38
  1. 1Vitamin and mineral premix contained per kilogram DM: Vitamin A, 154,000 IU; Vitamin D, 38,500 IU; Vitamin E, 3,500 IU; Fe, 9.0 g; Zn, 7.0 g; Mn, 14.0 g; Cu, 1.0 g; I, 138.0 mg; Se 30.0 mg; Co, 60 mg; Monensin, 30 g/1,000 kg.