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Table 1 Diet composition of experiment 1 and 2 1

From: Influence of ruminal degradable intake protein restriction on characteristics of digestion and growth performance of feedlot cattle during the late finishing phase

  Urea fermentation potential
Item 0 0.6 1.2
Ingredient (g/kg of DM)    
Steam flaked corn 797.5 803.0 809.0
Sudangrass hay 50.0 50.0 50.0
Alfalfa hay 50.0 50.0 50.0
Urea 12.5 7.0 1.0
Cane molasses 50.0 50.0 50.0
Yellow grease 20.0 20.0 20.0
Limestone 14.0 14.0 14.0
Trace mineral salt2 4.0 4.0 4.0
Magnesium oxide 2.0 2.0 2.0
Monensin3 0.022 0.022 0.022
Nutrient composition (DM basis)4    
NEm (Mcal/kg) 2.23 2.24 2.25
NEg (Mcal/kg) 1.56 1.56 1.58
DE (Mcal/kg) 3.86 3.86 3.89
CP (g/kg) 130.0 115.0 99.1
RDP (g/kg of CP) 648 600 530
NDF (g/kg) 125.0 125.0 125.0
Calcium (g/kg) 6.6 6.6 6.6
Phosphorus (g/kg) 2.8 2.8 2.8
  1. 1Chromic oxide (0.40%) was added in substitution of corn grain as a digesta marker in Trial 1. RDIP, rumen degradable intake protein. UFP, estimated urea fermentation potential.
  2. 2Trace mineral salt contained: CoSO4, 0.068%; CuSO4, 1.04%; FeSO4, 3.57%; ZnO, 1.24%; MnSO4, 1.07%; KI, 0.052%; and NaCl, 92.96%.
  3. 3Rumensin80 (Elanco Animal Health, Greenfield, IN).
  4. 4Based on tabular values for individual feed ingredients (NRC, [17]).