Fiber

Effects of pelleting and particle size reduction of corn on digestibility of starch, amino acids, fibre and fat, and concentration of net energy in corn-soybean meal diets fed to group-housed pigs

Lee, S. A., D. A. Rodriguez, C. B. Paulk, H. H. Stein. 2023. Effects of pelleting and particle size reduction of corn on digestibility of starch, amino acids, fibre and fat, and concentration of net energy in corn-soybean meal diets fed to group-housed pigs. Animal - science proceedings, Volume 14, Issue 7, Pages 857-858. doi: 10.1016/j.anscip.2023.09.041.

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Exogenous xylanase increases digestibility of energy and fiber in diets for gestating and lactating sows

Exogenous enzymes may improve the fermentability of dietary fiber in swine diets by hydrolyzing non-starch polysaccharides into oligosaccharides and sugars. In particular, the enzyme xylanase hydrolyzes the β-(1-4) glycosidic bonds between the xylose units in the backbone of arabinoxylans in cereal grains and grain coproducts, resulting in the release of a combination of xylose, arabinose, and xylo-oligosaccharides from arabinoxylans that can be fermented by pigs. Previous data indicate that xylanase increased the degradation of dietary fiber and increased energy digestibility in diets for growing pigs; however, there are limited data for the impact of xylanase on energy and fiber digestibility in gestating and lactating sows. Therefore, an experiment was conducted to test the hypothesis that exogenous xylanase added to diets for gestating and lactating sows will increase the apparent total tract digestibility (ATTD) of gross energy and total dietary fiber (TDF), and increase the concentrations of digestible energy (DE) and metabolizable energy (ME) during two reproductive cycles.

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Fiber in Swine Nutrition

Lancheros, J. P., C. D. Espinosa, S. A. Lee, M. S. Oliveira, and H. H. Stein. 2022. Fiber in Swine Nutrition. L. I. Chiba, editor, Sustainable Swine Nutrition. 2nd rev. ed. doi:10.1002/9781119583998.ch14. Link to full text.

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Effects of a mixture of xylanase and glucanase on digestibility of energy and dietary fiber in corn- or sorghum based diets fed to growing pigs

Oliveira, M. S. F., C. D. Espinosa, L. Blavi, M. Mortada, F. N. Almeida, H. H. Stein. 2022. Effects of a mixture of xylanase and glucanase on digestibility of energy and dietary fiber in corn- or sorghum based diets fed to growing pigs.

Extrusion of soybean hulls does not increase digestibility of amino acids or concentrations of digestible and metabolizable energy when fed to growing pigs

Rodriguez, Diego A., Su A Lee, María R. C. de Godoy, and Hans H. Stein. 2020. Extrusion of soybean hulls does not increase digestibility of amino acids or concentrations of digestible and metabolizable energy when fed to growing pigs. Transl. Anim. Sci. 2020.4:1-9. doi: 10.1093/tas/txaa169. Link to full text.

The apparent ileal digestibility and the apparent total tract digestibility of carbohydrates and energy in hybrid rye are different from some other cereal grains when fed to growing pigs

McGhee, Molly L., and Hans. H. Stein. 2020. The apparent ileal digestibility and the apparent total tract digestibility of carbohydrates and energy in hybrid rye are different from some other cereal grains when fed to growing pigs. Journal of Animal Science, 2020, Vol. 98, No. 7, 1–10. doi:10.1093/jas/skaa218. Link to full text.

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High fiber ingredients may negatively affect DE and ME concentration

Navarro, D. M. D. L., and H. H. Stein. 2018. High fiber ingredients may negatively affect DE and ME concentration. National Hog Farmer, On line edition, May 31, 2018. Link to full text.

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Structures and characteristics of carbohydrates in diets fed to pigs: a review

Navarro Diego M. D. L., Jerubella J. Abelilla, and Hans H. Stein. 2019. Structures and characteristics of carbohydrates in diets fed to pigs: a review. Journal of Animal Science and Biotechnology, 2019, 10:39. Link to full text.

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Degradation of dietary fiber in the stomach, small intestine, and large intestine of growing pigs fed corn- or wheat-based diets without or with microbial xylanase

Abelilla Jerubella J.,  and Hans H. Stein. 2019. Degradation of dietary fiber in the stomach, small intestine, and large intestine of growing pigs fed corn- or wheat-based diets without or with microbial xylanase. J. Anim. Sci. 97:338–352. Link to full text.

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Effects of inclusion rate of high fiber dietary ingredients on apparent ileal, hindgut, and total tract digestibility of dry matter and nutrients in ingredients fed to growing pigs

Navarro D. M. D. L., E. M. A. M. Bruininx, L. de Jong, H. H. Stein. 2019. Effects of inclusion rate of high fiber dietary ingredients on apparent ileal, hindgut, and total tract digestibility of dry matter and nutrients in ingredients fed to growing pigs. Anim. Feed Sci. Technol. 248: 1 - 9. Link to full text.

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Effects of distillers dried grains with solubles on amino acid, energy, and fiber digestibility and on hindgut fermentation of dietary fiber in a corn-soybean meal diet fed to growing pigs

Urriola, P. E., and H. H. Stein. 2010. Effects of distillers dried grains with solubles on amino acid, energy, and fiber digestibility and on hindgut fermentation of dietary fiber in a corn-soybean meal diet fed to growing pigs. J. Anim. Sci. 88:1454-1462. Link to full text (.pdf)

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Net energy of soybean hulls and wheat middlings in diets fed to growing or finishing pigs

Stewart, L. L., D. Y. Kil, F. Ji, R. B. Hinson, A. D. Beaulieu, G. L. Allee, J. F. Patience, J. E. Pettigrew, and H. H. Stein. 2009. Net energy of soybean hulls and wheat middlings in diets fed to growing or finishing pigs. J. Anim. Sci. 87 (E-Suppl. 3):99-100 (Abstr.) Link to abstract (.pdf)

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Digestibility of dietary fiber in distillers co-products fed to growing pigs

Urriola, P. E., G. C. Shurson, and H. H. Stein. 2009. Digestibility of dietary fiber in distillers co-products fed to growing pigs. J. Anim. Sci. 87 (E-Suppl. 3):83 (Abstr.) Link to abstract (.pdf)

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Digestible energy in resistant starch and dietary fiber sources fed to pigs

Cervantes-Pahm, S. K., B. G. Kim, and H. H. Stein. 2009. Digestible energy in resistant starch and dietary fiber sources fed to pigs. J. Anim. Sci. 87 (E-Suppl. 2):547 (Abstr.) Link to abstract (.pdf)

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Effects of fibrous ingredients on pig performance and body composition

L. L. Stewart, D.Y. Kil, J. F. Patience, G. L. Allee, J. E. Pettigrew, H. H. Stein. 2008. Effects of fibrous ingredients on pig performance and body composition. J. Anim. Sci. 86(E-Suppl. 3):76-77 (Abstr.) Link to abstract (.pdf)

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