Growing pigs

Effect of the Pelleting Process on Diet Formulations with Varying Levels of Crystalline Amino Acids and Reducing Sugars on Digestibility in Growing Pigs

Dunmire, K. M., D. A. Lopez, C. J. Fiehler, Y. Zhang, C. K. Jones, Y. Li, J. C. Woodworth, R. D. Goodband, M. D. Tokach, C. R. Stark, H. H. Stein, and C. B. Paulk. 2021. Effect of the Pelleting Process on Diet Formulations with Varying Levels of Crystalline Amino Acids and Reducing Sugars on Digestibility in Growing Pigs. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 66–67. doi.org/10.1093/jas/skab054.110.

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Ileal Digestibility of Amino Acids Is Greater in Sunflower Expellers Than in Sunflower Meal When Fed to Growing Pigs

Ibagon, J. A. S. A. Lee, and H. H. Stein. 2021. Ileal Digestibility of Amino Acids Is Greater in Sunflower Expellers Than in Sunflower Meal When Fed to Growing Pigs. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 86–87. doi.org/10.1093/jas/skab054.140. Link to Abstract.

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Effects of Dietary Valine, Isoleucine, and Tryptophan Supplementations to Diets Containing Excess Leucine from Corn Protein on Growth Performance of Growing Pigs

Kwon, W. B., J. A. Soto, and H. H. Stein. 2021. Effects of Dietary Valine, Isoleucine, and Tryptophan Supplementations to Diets Containing Excess Leucine from Corn Protein on Growth Performance of Growing Pigs. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 61–62. doi.org/10.1093/jas/skab054.103. Link to Abstract.

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Effects of Dietary Valine, Isoleucine, and Tryptophan Supplementations to Diets Containing Excess Leucine on Nitrogen Balance of Growing Pigs

Kwon, W. B., J. A. Soto, and H. H. Stein. 2021. Effects of Dietary Valine, Isoleucine, and Tryptophan Supplementations to Diets Containing Excess Leucine on Nitrogen Balance of Growing Pigs. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Page 61. doi.org/10.1093/jas/skab054.102. Link to Abstract.

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Optimal tryptophan:lysine Ratio for 25–40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles

Oliveira, M. S. F., J. K. Htoo, J. C. González-Vega, and H. H. Stein. 2021. Optimal tryptophan:lysine Ratio for 25–40 Kg Growing Pigs Fed Diets Containing 35 % Distillers Dried Grains with Solubles. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 57–58. doi.org/10.1093/jas/skab054.097. (Abstr.). Link to Abstract.

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The Ash in Metacarpals, Metatarsals, and Tibia Is Better Correlated with Total Body Bone Ash Than the Ash in Other Bones of Growing Pigs

Lee, Su A., M. R. Bedford, and H. H. Stein. 2021. The Ash in Metacarpals, Metatarsals, and Tibia Is Better Correlated with Total Body Bone Ash Than the Ash in Other Bones of Growing Pigs. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 46–47. doi.org/10.1093/jas/skab054.080. (Abstr.). Link to abstract.

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Effect of a Novel Consensus Bacterial 6-phytase Variant on Mineral Digestibility and Bone Ash in Young Growing Pigs Fed Diets with Different Concentrations of Phytate

Espinosa, C. D., D. E. Velayudhan, Y. Dersjant-Li, and H. H. Stein. 2021. Effect of a Novel Consensus Bacterial 6-phytase Variant on Mineral Digestibility and Bone Ash in Young Growing Pigs Fed Diets with Different Concentrations of Phytate. Journal of Animal Science, Volume 99, Issue Supplement_1, May 2021, Pages 45–46, doi.org/10.1093/jas/skab054.079. Link to Abstract.

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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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Effects of dietary leucine and tryptophan supplementation on serotonin metabolism and growth performance of growing pigs

Tryptophan is an indispensable AA that is often limiting for growth in pigs fed corn-soybean meal-based diets. Tryptophan may act as a regulator of feed intake by enhancing serotonin signaling in the brain, because Trp is a precursor for serotonin. High Trp intake increases feed intake, and this is partly attributed to increased serotonin synthesis. Availability of dietary Trp in the brain is considered the rate-limiting step in hypothalamic serotonin synthesis. However, to be transported into the brain, Trp competes with other large neutral AA such as Val, Leu, Ile, Tyr, and Phe for a common transporter (L-type AA transporter 1) to cross the blood-brain barrier.

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Effects of extrusion on nutrient and energy digestibility in cereal grains fed to growing pigs

Rodriguez, D. A., S. A. Lee, and H. H. Stein. 2019. Effects of extrusion on nutrient and energy digestibility in cereal grains fed to growing pigs. Book of Abstracts. In: 1st International Feed Technology Congress, Cologne, Germany. p. 16. (Abstr.). Link to Abstract.

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Nutritional value for growing pigs of different sources of distillers dried grains with solubles (DDGS)

Blavi, L., D. A. Rodriguez, and H. H. Stein. 2018. Nutritional value for growing pigs of different sources of distillers dried grains with solubles (DDGS). Pig 333. Sep. 10, 2018. Link to full text.

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Sows in mid-gestation have reduced digestibility and retention of calcium and phosphorus compared with growing pigs

Lee, S., C. Walk, and H. Stein. 2018. Sows in mid-gestation have reduced digestibility and retention of calcium and phosphorus compared with growing pigs. 14th International Symposium on Digestive Physiology of Pigs. Adv. Anim. Biosci. Volume 9, Issue S2, 9:S193-194. (Abstr.). Link to abstract

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Digestible energy content of Camelina sativa co-products for growing pigs

Cerisuelo, A., P. Ferrer, E. Gómez, T. Woyengo, H. Stein, J. Cano, and O. Piquer. Digestible energy content of Camelina sativa co-products for growing pigs. 2018. 14th International Symposium on Digestive Physiology in Pigs. Adv. Anim. Biosci. Volume 9, Issue S2, 9:S184. (Abstr.). Link to abstract

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Concentrations of digesta metabolites in growing pigs are influenced by dietary energy level, but not by dietary amino acid level

Song, Y., Y. Hung, M. Trudeau, L. Blavi, H. H. Stein, L. Payling, W. Li, P. Urriola, and C. Chen. 2018. Concentrations of digesta metabolites in growing pigs are influenced by dietary energy level, but not by dietary amino acid level.  Link to abstract

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Protein and amino acid digestibility of Camelina sativa co-products for growing pigs

Cerisuelo, A., P. Ferrer, E. Gómez, H. Stein, T. Woyengo, J. Cano, and O. Piquer. 2018. Protein and amino acid digestibility of Camelina sativa co-products for growing pigs. 14th International Symposium on Digestive Physiology of Pigs. Adv. Anim. Biosci. Volume 9, Issue S2, 9:S148-149. (Abstr.). Link to abstract

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Effects of two direct fed microbials on digestibility of amino acids and energy in diets fed to growing pigs

Blavi, L., J. Jørgensen, and H. Stein. 2018. Effects of two direct fed microbials on digestibility of amino acids and energy in diets fed to growing pigs. 14th International Symposium on Digestive Physiology of Pigs. Adv. Anim. Biosci. Volume 9, Issue S2, 9:S147. (Abstr.). Link to abstract

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Excessive heat treatment of distillers dried grains with solubles reduces not only amino acid digestibility but also concentrations of metabolizable energy when fed to growing pigs

Distillers dried grains with solubles (DDGS) is a co-product of ethanol production that is often used in diets fed to pigs because of a relatively high concentration of amino acids (AA), energy, and digestible phosphorus. However, during the cooking and drying steps, the high temperature and concentration of moisture makes DDGS susceptible to the Maillard reactions, resulting in formation of sugar-amino acid complexes. Maillard reaction products result in reduced standardized ileal digestibility (SID) of amino acids (AA), with Lys being the most sensitive AA. However, there is limited information about how heating affects the concentration of digestible energy (DE) and metabolizable energy (ME). Therefore, the objective of these experiments were to test the hypothesis that both the degree of heating and the time that heat is applied will affect the concentration of DE and ME and the SID of AA in DDGS fed to growing pigs.

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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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Excessive heat treatment of double-low rapeseed meal reduces not only amino acid digestibility but also concentrations of metabolizable energy when fed to growing pigs

Double-low rapeseed meal (RSM) is currently used as a protein ingredient in animal diets. Heat treatment of RSM at varying processing conditions removes the residual hexane and efficiently reduces the glucosinolate content. However, variations in heat processing temperatures and duration of heat treatment may result in Maillard reactions, resulting in the formation of sugar-amino acid complexes. Maillard reaction products result in reduced standardized ileal digestibility (SID) of amino acids (AA), with Lys being the most sensitive AA. However, there is limited information about how heating affects the concentration of digestible energy (DE) and metabolizable energy (ME). Therefore, the objective of this experiment was to test the hypothesis that both the degree of heating and the time that heat is applied will affect the concentration of DE and ME and the SID of AA in double-low RSM fed to growing pigs.

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Effects of increasing concentrations of an Escherichia coli phytase on the apparent ileal digestibility of amino acids and the apparent total tract digestibility of energy and nutrients in corn-soybean meal diets fed to growing pigs

Yue She, J. Chris Sparks, and Hans H. Stein. 2018. Effects of increasing concentrations of an Escherichia coli phytase on the apparent ileal digestibility of amino acids and the apparent total tract digestibility of energy and nutrients in corn-soybean meal diets fed to growing pigs. J. Anim. Sci. 96:2804–2816.

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