"DDGS is produced from the fuel ethanol industry and is
available for inclusion in diets fed to swine," he explained.
"During recent years, several research projections have been
completed to investigate the feeding value of DDGS."
report summarizes those findings and includes tables to help
producers make decisions in their own enterprises. He also
"Because there is some variability among sources of DDGS, it
is recommended that producers examine concentrations of
nutrients in the product before buying DDGS," he said. "To
confirm that the product is a true DDGS product that has not
been diluted with soy hulls or reduced in fat concentration, it
is recommended that guarantees for nutrient concentrations be
obtained from the supplier."
The crude protein concentration should be at least 27
percent, and total fat and total phosphorus should be at least 9
and 0.55 percent, respectively. Before purchasing, producers
should also seek assurances that no mycotoxins are in the DDGS.
An important consideration in feeding DDGS is economic value.
"Because DDGS replaces both corn and soybean meal in diets
fed to pigs, the economic value of DDGS depends on the cost of
corn and soybean meal," Stein explained. "The maximum price that
can be paid for DDGS without increasing diet costs with
different cots of corn and soybean meal are detailed in the
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"With constant costs of soybean meal, the maximum price that can
be paid for DDGS increases approximately $9-$10 for each 50 cents
per bushel the cost of corn is increased," he said. "Likewise, if
the price of soybean meal is increased by $25 per ton, then the
price of DDGS can be increased by $11-$12 without increasing diet
"Before including DDGS in diets fed to swine, producers are
advised to make their own calculations based on local prices for
corn, soybean meal and DDGS."
Usage of DDGS in swine diets is rapidly increasing, with many
producers including 20 percent DDGS in diets fed to all categories
"While this level of inclusion is generally recommended, some
producers are successfully using greater inclusion rates, and it is
possible that up to 35 percent DDGS can be included in diets fed to
nursery pigs and growing-finishing pigs," he noted.
"However, because of the risk of producing pork with soft
bellies, the inclusion of DDGS in finishing diets should be limited
to 20 percent until more research has been conducted to investigate
the effects of higher inclusion rates on belly firmness."
[Text from file received from
the University of