THE ALCOHOL TEXTBOOK THE ALCOHOL TEXTBOOK

Ethanol production and the modern livestock feed industry 381
Table 4. Average, minimum, maximum, and mean
nutrient values (dry matter basis), of grains and solubles
fractions from six Minnesota ethanol plants 1 .
Average Minimum Maximum
Grains fraction
Dry matter, % 34.3 33.7 34.9
Crude protein, % 33.8 31.3 36.0
Crude fat, % 7.7 2.1 10.1
Crude fiber, % 9.1 8.2 9.9
Ash, % 3.0 2.6 3.3
Calcium, % 0.04 0.03 0.05
Phosphorus, % 0.56 0.44 0.69
Solubles fraction
Dry matter, % 27.7 23.7 30.5
Crude protein, % 19.5 17.9 20.8
Crude fat, % 17.4 14.4 20.1
Crude fiber, % 1.4 1.1 1.8
Ash, % 8.4 7.8 9.1
Calcium, % 0.09 0.06 0.12
Phosphorus, % 1.3 1.2 1.4
1
From Knott et al., 2001
Table 5. Predicted nutrient content and coefficients of
variation in DDGS from plants with the least or most
variation in protein, fat or phosphorus content 1,2 .
Plants with
least variation
Plants with
most variation
Crude protein
Minimum, % 29.0 19.8
Maximum, % 31.2 29.3
Mean, % 29.9 25.8
CV 3.57 20.8
Crude fat
Minimum, % 11.0 7.9
Maximum, % 12.6 11.5
Mean, % 12.0 9.8
CV 7.00 43.58
Phosphorus
Minimum, % 0.73 0.63
Maximum, % 0.82 0.96
Mean, % 0.70 0.76
CV 7.64 22.44
1
From Knott et al., 2001
2
DDGS nutrient content predicted assuming 32 gallons of
syrup added/minute, 79.63 lbs of dry syrup added/minute,
40.63% solubles and 59.37% grains in DDGS on a dry
matter basis.
Dairy cattle
Beef cattle
Pigs
Poultry
Figure 3. Utilization of DDGS by the North American livestock feed market (Markham, 2003).