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Podcast: Sunflower expellers have greater ileal digestibility of amino acids than sunflower meal when fed to growing pigs.

Jimena Ibagon, a master student from the Stein Monogastric Nutrition lab, discusses the reason why sunflower expellers have greater ileal digestibility of amino acids than sunflower meal when fed to growing pigs. Adapted from a presentation at the 2021 ASAS Midwestern Section meeting, March 8-10.

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Press Release: High-oil corn packs punch for pigs.

URBANA, Ill. – A new high-oil corn product offers greater amino acid and energy digestibility in growing pigs, according to new research from the University of Illinois.

“This corn has a higher oil concentration – almost 9% – and more protein, a little bit more fiber, and a little bit more phosphorus. We know the concentrations in the grain, but not how well pigs can digest it. If they don't digest as well, it may not be an advantage to have more of some of these components,” says Hans H. Stein, professor in the Department of Animal Sciences and the Division of Nutritional Sciences at Illinois and co-author on a study in Animal Feed Science and Technology.

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Research Report: Digestibility of energy, dry matter, protein, and fat and concentration of metabolizable energy in sunflower meal and sunflower expellers fed to growing pigs.

Sunflower meal (SFM) is a protein source that can be included in diets for pigs and other livestock species. In addition to providing amino acids, SFM also provide energy and other nutrients to diets, but because of the high concentration of fiber, SFM does not contain as much energy as other oilseed meals. The nutritive value of SFM depend on growing area, degree of de-hulling, and oil extraction process. Sunflower meal is obtained through a prepress-solvent extraction method, which yields a meal product with less than 3% fat. However, a double press procedure without solvent extraction may also be used to remove oil from the seeds, which results in generation of a co-product called sunflower expellers (SFE). Because the double-press procedure is less efficient in removing oil from the seeds, SFE contains between 6 and 10% oil.

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New publications from the Stein Monogastric Nutrition Laboratory.