Table 1 Nutritional characterization of the mixture of ground corn and urea, and extruded urea.

From: Calorimetry, physicochemical characteristics and nitrogen release from extruded urea

Components (g/kg DM) Mixture Extruded urea
Dry matter (g/kg) 961.4 961.0
Organic matter 995.4 995.7
Crude protein (n-total × 6,25) 2040.4 2029.7
NPN (Fraction A) 292.3 298.1
CP from NNP (Fraction A) 1826.7 1863.3
N soluble (Fraction B1) 17.1 13.3
CP from N (Fraction B1) 106.9 83.2
N-True protein (Fraction B2) 8.83 5.22
CP from N (Fraction B2) 55.2 32.7
N-True protein (Fraction B3) 2.2 2.4
CP from N (Fraction B3) 13.7 15.0
N insoluble neutral detergent 7.9 7.8
N insoluble acid detergent (Fraction C) 6.1 5.7
CP from N (Fraction C) 37.9 35.6
Ethereal extract 32.5 31.6
Total carbohydrates 271.1 278.4
Non-fibrous carbohydrates 194.5 218.0
Neutral detergent fiber 52.0 32.5
Acid detergent fiber 21.6 18.3