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Table 1. Nutrient composition of ethanol coproducts. |
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Nutrient |
Dried Distillers Grains |
Dried Distillers Grains Plus Solubles |
Modified Wet Distillers Grains Plus Solubles |
Wet Distillers Grains Plus Solubles |
Condensed Distillers Solubles |
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DM, % |
88 to 90 |
88 to 90 |
50 |
25 to 35 |
23 to 45 |
|
DM Basis |
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TDN, % |
77 to 88 |
85 to 90 |
70 to 110 |
70 to 110 |
75 to 120 |
|
NEm, Mcal/cwt |
89 to 100 |
98 to 100 |
90 to 110 |
90 to 110 |
100 to 115 |
|
NEg, Mcal/cwt |
67 to 70 |
68 to 70 |
70 to 80 |
70 to 80 |
80 to 93 |
|
CP, % |
25 to 35 |
25 to 32 |
30 to 35 |
30 to 35 |
20 to 30 |
|
DIP, % CP |
40 to 50 |
43 to 53 |
45 to 53 |
45 to 53 |
80.0 |
|
UIP, % CP |
50 to 60 |
47 to 57 |
47 to 57 |
47 to 57 |
20.0 |
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Fat, % |
8 to 12 |
8 to 12 |
12 to 15 |
10 to 18 |
9 to 25 |
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Calcium, % |
0.11 to 0.20 |
0.10 to 0.20 |
0.02 to 0.03 |
0.02 to 0.03 |
0.03 to 0.17 |
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Phosphorus, % |
0.40 to 1.15 |
0.40 to 0.80 |
0.50 to 1.42 |
0.50 to 0.80 |
0.49 to 1.90 |
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Potassium, % |
0.49 to 1.08 |
0.87 to 1.33 |
0.70 to 1.00 |
0.50 to 1.00 |
1.75 to 2.25 |
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Sulfur, % |
0.46 to 0.65 |
0.37 to 1.12 |
0.38 to 1.20 |
0.40 to 1.20 |
0.37 to 1.19 |
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Table adapted from: 1) Stock et al. 1995. Average Composition of Feeds Used in Nebraska. G1048. www.ianr.unl.edu/pubs/beef/G1048.pdf 2) Tjardes and Wright. 2002. Feeding Corn Distiller’s Co-Products to Beef Cattle. South Dakota State University. ExEx. 2036. 3) NRC. 2001. Nutrient Requirements of Dairy Cattle. 4) Iowa Renewable Fuels Association. www.iowarfa.org/ethanol_coproducts.php . Accessed June 19, 2007. The analyses given in this publication are a range of published values and regionally available laboratory analyses. Products vary and this may not represent what a particular plant is producing at any given time. DM=dry matter, TDN=total digestible nutrients, NE=net energy, CP= crude protein, DIP=degradable intake protein, UIP=undegradable intake protein (bypass protein) |
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