Fact Sheet Written by:
Kenneth Kalscheur and Alvaro Garcia, Dairy Science Department, SDSU
Kurt Rosentrater, USDA – Agriculture Research Service
Cody Wright, Department of Animal and Range Science, SDSU
And provided by
South Dakota State University http://agbiopubs.sdstate.edu
Introduction
The rapid growth of the ethanol industry in the United States has
generated large quantities of ethanol coproducts that are available
as a feedstuff for livestock. These coproducts are often added
to livestock diets as a source of protein and energy. The protein
supplied can be degraded in the rumen to a variable extent,
depending on the coproduct, while energy is provided by fat
and fermentable fiber. Mineral concentrations in the coproducts
can also be highly variable; to prevent excessive dietary mineral
concentrations, this needs to be considered when formulating
diets for livestock. As the ethanol industry continues to develop,
new or altered feed coproducts will appear in the marketplace for
use in livestock diets. There is a need to nutritionally define these
products to determine their use in livestock diets.
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