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DDGS in swine diets
Distillers dried grains with solubles (DDGS) is produced from the fuel ethanol industry and is available for inclusion in diets fed to swine. Crude nutrient concentrations, energy and nutrient digestibility values, and effects of including DDGS in diets fed to different categories of swine have been investigated.
The concentration of energy in DDGS is greater than in corn, but because of a lower digestibility of energy in DDGS than in corn, there is no difference in the concentration of digestible and metabolizable energy between DDGS and corn. The apparent and standardized ileal digestibility of amino acids in DDGS does vary among sources but, with the exception of lysine, the variability is no greater than what has been reported for other feed ingredients. The digestibility of phosphorus in DDGS is approximately 59%. This value is greater than in corn. Therefore, if DDGS is included in the diet, less inorganic phosphorus is needed and less phosphorus will be excreted in the manure.
Diets formulated to contain DDGS should be formulated on the basis of digestible amino acids and digestible phosphorus. In general, 10% DDGS can replace approximately 4.25% soybean meal and 5.70% corn, if 0.10% crystalline lysine is included in the diet. DDGS can be included in diets fed to nursery pigs, growing finishing pigs, and sows in amounts of 20% and in diets for gestating sows at 40%. At these inclusion rates, excellent performance of pigs has been reported provided that diets were formulated on the basis of digestible amino acids. Greater inclusion rates are possible, but may not always maximize pig performance.
In the past couple of years, livestock producers have been saddled with skyrocketing grain prices and an influx of dried distillers grain with solubles, a product that is unique to each ethanol plant. Hans Stein, University of Illinois extension swine specialist, hopes to take some of the guesswork out of feeding DDGS to hogs. He's created a DDGS calculator, which allows producers to input costs for the various portions of the feed ration. Producers can then see the cost comparison for...
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Pig producers looking to reduce feed costs by including DDGS in the feed formulation can use the latest developments in enzyme technology to improve nutrient digestibility, according to recent research from Danisco Animal Nutrition. DDGS are highly fibrous and can be highly variable in nutrient availability. Insoluble fibres contained in DDGS hold water creating more bulk in the pig’s gut, which can reduce feed intake and subsequent growth. These...
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A new raw material is pushing into the feed market. In 2005 in the USA alone, 9 million tons of DDGS was used, 75-80% of this as ruminant feed and about 20% was used as pig feed. However, DDGS to DDGS differs significantly. It should be mentioned...
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Distillers dried grains and bread or cookie waste products can be used for feed, nutritionist says. If soybean and corn-based feeds get too expensive, livestock producers can always turn to leftovers. Hans Stein, a University of Illinois Extension swine nutritionist who speaked at the Illinois Pork Expo at the Peoria Civic Center, said the leftovers he's talking about may be available at different locations around the state. Stein...
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Alberta Agriculture and Food says variable quality remains a key obstacle to increasing the inclusion of co-products from ethanol production in swine diets. With the increased emphasis on the use of grain based ethanol as fuel, distillers dried grains are becoming more readily available for inclusion in livestock rations. Pork research scientist Dr. Eduardo Beltranena says overheating or over drying of these co-products will significantly affect quality. "Lysine and...
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Recent lower prices in dried distillers grains with solubles suggest producers may want to take a second look at dried distillers grains with solubles (DDGS) for swine rations, a Kansas State University animal scientist said. "In the past, we have been very cautious about the addition of DDGS, based on the high cost of DDGS, relative to corn prices here in Kansas," said Mike Tokach, swine specialist with K-State Research and Extension. "In addition, there has...
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Feeding ethanol co-products to hogs should reduce the need for supplemental phosphorus in feed rations. Jerry Shurson, Extension swine specialist with the University of Minnesota, says the P in co-products, such as distillers grains, is more available to the hog than P found in corn. This means less P ends up in manure. He says research indicates adding 20 percent dry distillers grains (DDGS) to a nursery diet should result in the greatest reduction in phosphorus in manure, if the...
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The escalating growth of the fuel ethanol industry in the United States of America continues to increase supplies of dried distillers’ grains with solubles available for use in livestock and poultry feeds. In 2004, there were 81 ethanol plants located in the US that produced a record 3.41 billion gallons of ethanol, a 21% increase over 2003 and representing 109% growth since 2000. Today there are 86 ethanol plants capable of producing 4.4 billion gallons of ethanol and another 38...
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Pork and poultry producers and anyone in agribusiness is invited to a special seminar next month in Fremont, Nebraska, on distillers grains.
The Nebraska Pork Producers Association has lined up some of its own people, plus University of Nebraska specialists, state ag department officials, private industry folks and representatives from the Nebraska Corn Board for the day-long DDGs seminar on Thursday, June 14th.
A registration of $20 is required by June 7th. ...
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A report providing guidelines for feeding distillers dried grains with solubles to swine is now available at local University of Illinois Extension offices. "Distillers dried grains with solubles (DDGS) in diets fed to swine" was prepared by U of I Extension swine specialist Hans H. Stein.
"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...
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What is DDGS? Corn distiller’s dried grains with solubles (DDGS) is a co-product produced by dry mill ethanol plants as a result of fermenting corn starch to produce fuel ethanol and carbon dioxide. Each bushel of corn (25.4 kg) fermented in a dry mill ethanol plant will produce approximately 10.2 liters of ethanol, 8.2 kg of carbon dioxide, and 8.2 kg of DDGS. Yellow dent corn is most commonly used to produce ethanol and DDGS because it is an excellent source of readily...
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The Pork Checkoff will host a conference titled Distillers Grains: Implications for the U.S. Pork Industry on Nov. 20, at the Des Moines Marriott Downtown in Des Moines, Iowa.
The conference will provide pork producers with a look at the current challenges and opportunities facing them if they are considering feeding distillers grains in their operations. Speakers also will update the audience on the latest research and information related to distillers grains and how these can be managed...
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A scientist with the University of Alberta is cautioning against the over inclusion of dried distillers grain in swine rations. Expanded wheat based ethanol production in western Canada is resulting in higher volumes of wheat dried distillers grain available as feed.
Because starch is removed during fermentation, dried distillers grains contain concentrations of other nutrients such as fibre, fat and protein.
University of Alberta feed industry research chair Dr. Ruurd Zijlstra notes...
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