Wheat

Disappearance of dietary fibre in the small intestine, large intestine, and total tract of growing pigs fed corn- or wheat-based diets without or with microbial xylanase

Abelilla, J. J., and H. H. Stein. 2019. Disappearance of dietary fibre in the small intestine, large intestine, and total tract of growing pigs fed corn- or wheat-based diets without or with microbial xylanase. Manipulating Pig Production XVII. Proc. 17th Biennial Conference of the Australasian Pig Sci. Ass. (APSA), Adelaide, Australia, 17-20 Nov. 2019. Adv. Anim.

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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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Apparent and standardized ileal digestibility of AA and starch in hybrid rye, barley, wheat, and corn fed to growing pigs

McGhee Molly L. and Hans. H. Stein. 2018. Apparent and standardized ileal digestibility of AA and starch in hybrid rye, barley, wheat, and corn fed to growing pigs. J. Anim. Sci. 96:3319–3329.  Link to full text.

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Digestibility of amino acids, fiber, energy, and concentrations of digestible and metabolizable energy in conventional and extruded yellow dent corn, wheat, and sorghum fed to growing pigs

Extrusion of cereal grains may be used to improve nutrient digestibility in cereal grains because addition of heat and pressure in combination with addition of moisture during the extrusion may gelatinize the starch, which results in an increase in starch digestibility. It is also possible that AA and energy digestibility are increased by the extrusion, but data to verify this hypothesis have not been published. Therefore, the objective of these experiments was to test the hypothesis that the ileal digestibility of AA and starch and the apparent total tract digestibility (ATTD) of ADF, NDF, and GE as well as the concentrations of DE and ME in corn, wheat, and sorghum are increased by extrusion.

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Effects of physicochemical characteristics of feed ingredients on the apparent total tract digestibility of energy, DM, and nutrients by growing pigs

Navarro, D. M. D. L., E. M. A. M. Bruininx, L. de Jong, and H. H. Stein. 2018. Effects of physicochemical characteristics of feed ingredients on the apparent total tract digestibility of energy, DM, and nutrients by growing pigs. J. Anim. Sci. 96:2265–2277. Link to abstract

Effects of microbial phytase on standardized total tract digestibility of phosphorus in hybrid rye, barley, wheat, corn, and sorghum fed to growing pigs

Until recently, rye has been less suitable for livestock feed than other cereal grains due to the risk of ergot contamination. However, recently developed hybrids are less susceptible to ergot contamination. There is limited information about the nutritional value of hybrid rye when fed to pigs.

In cereal grains, most of the phosphorus is bound to phytic acid, and is not available to pigs unless phytase is present. This is usually achieved by adding supplemental phytase, derived from microbes, to the diets. However, rye contains more intrinsic phytase than other cereal grains, so the phosphorus in rye may be more digestible. The addition of microbial phytase might also have less of an effect on phosphorus digestibility in rye than in other grains because of the high concentrations of intrinsic phytase in rye, but limited information about digestibility of phosphorus in rye has been reported.

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Standardized ileal digestibility of amino acids in three sources of hybrids of rye and in barley, wheat, and corn fed to growing pigs

McGhee, M. L. and H. H. Stein. 2018. Standardized ileal digestibility of amino acids in three sources of hybrids of rye and in barley, wheat, and corn fed to growing pigs. J. Anim. Sci. 96(Suppl. 2):142 (Abstr.) Link to abstract (.pdf)

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Ileal digestibility of amino acids and starch in hybrid rye compared with other cereal grains fed to pigs

Hybrid rye is grown in Europe, Canada, and the United States, and compared with conventional rye, it has increased yields and reduced risk of ergot contamination, making it an interesting ingredient in the feeding of pigs. However, there is limited information about the nutritional value of hybrid rye when fed to pigs. Therefore, the objective of the experiment was to determine the standardized ileal digestibility (SID) of crude protein and amino acids, as well as the apparent ileal digestibility (AID) of starch in hybrid rye compared with barley, wheat, and corn.

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Effects of physicochemical characteristics on in vitro and in vivo nutrient digestibility in pigs

Navarro, D. M. D. L., E. M. A. M. Bruininx, L. de Jong, and H. H. Stein. 2017. Effects of physicochemical characteristics on in vitro and in vivo nutrient digestibility in pigs. Page 414 in Book of Abstracts of the 68th Annual Meeting of the European Federation of Animal Science (Abstr.) Link to abstract (.pdf)

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Concentrations of minerals in pig feed ingredients commonly used in China

Huang, C. F., H. H. Stein, L. Y. Zhang, D. Li, and C. H. Lai. 2017. Concentrations of minerals in pig feed ingredients commonly used in China. Transl. Anim. Sci. 1:126-136. Link to full text (.pdf)

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Amino acid digestibility in dairy proteins compared with plant proteins

Mathai, J. K., Y. Liu, and H. H. Stein. 2016. Amino acid digestibility in dairy proteins compared with plant proteins. J. Anim. Sci. 94(Suppl. 2):104 (Abstr.) Link to abstract (.pdf)

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Effects of post-harvest storage duration and variety on nutrient digestibility and energy content wheat in finishing pigs

Guo, P. P., P. L. Li, Z. C. Li, H. H. Stein, L. Liu, T. Xia, Y. Y. Yang, and Y. X. Ma. 2015. Effects of post-harvest storage duration and variety on nutrient digestibility and energy content wheat in finishing pigs. Asian-Austr. J. Anim. Sci. 28:1488-1495. Link to full text (.pdf)

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Comparative efficacy of xylanases on energy and nutrient digestibility in growing pigs fed corn- or wheat-based diets

Kiarie, E., L. F. Romero, S. Arent, R. Lorentsen, and H. H. Stein. 2015. Comparative efficacy of xylanases on energy and nutrient digestibility in growing pigs fed corn- or wheat-based diets. J. Anim. Sci. 93(Suppl. s3):225 (Abstr.) Link to abstract (.pdf)

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Carbohydrate composition and in vitro digestibility of dry matter and nonstarch polysaccharides in corn, sorghum, and wheat and coproducts from these grains

Jaworski, N. W., H. N. Lærke, K. E. Bach Knudsen, and H. H. Stein. 2015. Carbohydrate composition and in vitro digestibility of dry matter and nonstarch polysaccharides in corn, sorghum, and wheat and coproducts from these grains. J. Anim. Sci. 93:1103-1113. Link to full text (.pdf)

Digestible indispensable amino acid score and digestible amino acids in eight cereal grains

Cervantes-Pahm, S. K., Y. Liu, and H. H. Stein. 2014. Digestible indispensable amino acid score and digestible amino acids in eight cereal grains. Brit. J. Nutr. 111:1663-1672. Link to full text (.pdf)

Comparative digestibility of energy and nutrients and fermentability of dietary fiber in eight cereal grains fed to pigs

Cervantes-Pahm, S. K., Y. Liu, and H. H. Stein. 2014. Comparative digestibility of energy and nutrients and fermentability of dietary fiber in eight cereal grains fed to pigs. J. Sci. Food Agric. 94:841–849. Link to full text (.pdf)

Metabolizable energy and digestibility of carbohydrates in cereal grains fed to growing pigs

Cervantes-Pahm, S. K. and H. H. Stein. 2011. Metabolizable energy and digestibility of carbohydrates in cereal grains fed to growing pigs. J. Anim. Sci. 89(E-Suppl. 1):332-333 (Abstr.) Link to abstract (.pdf)

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Use of small grains in pig production

By Dr. Hans H. Stein

July, 2011

We are now at a time of the year when most of the small grain crops have been harvested, but we are still a few month away from having new-crop corn available. In many areas of the Midwest, it is, therefore, possible to purchase wheat, barley, or oats at a price that is less than that of corn. In many cases, this is an opportunity to reduce diet costs. With corn trading close to 7 dollars per bushel, there may be opportunities for reducing diet costs if small grains are available.

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Energy and nutrient concentration and digestibility in alternative feed ingredients and recommended inclusion rates

Stein, H. H. 2011. Energy and nutrient concentration and digestibility in alternative feed ingredients and recommended inclusion rates. In Proceedings of the American Association of Swine Veterinarians 42nd Annual Meeting. Phoenix, AZ. Link to full text (.pdf)

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