pig

There are only minor differences among soybeans grown in different areas of the United States in nutrient composition and digestibility of amino acids by growing pigs

Ruiz-Arias, N. C.,  S. A. Lee, H. H. Stein. 2025. There are only minor differences among soybeans grown in different areas of the United States in nutrient composition and digestibility of amino acids by growing pigs. Animal Feed Science and Technology 323 (2025) 116297. doi.org/10.1016/j.anifeedsci.2025.116297. Link to full text.

Keywords: 
Amino acids, Chemical composition, Digestibility, Full-fat soybean, pig
Authors: 
Ruiz-Arias, Lee, Stein
Publication Type: 
Peer-reviewed journal articles

Digestibility of calcium in calcium carbonate varies among origins, but is increased by microbial phytase regardless of origin

Nelson, Megan E., Su A Lee, Carrie L. Walk, April Zhang, Heng-Xiao Zhai, Hans H. Stein. 2025. Digestibility of calcium in calcium carbonate varies among origins, but is increased by microbial phytase regardless of origin. Animal Feed Science and Technology 320 (2025) 116230. doi.org/10.1016/j.anifeedsci.2025.116230 Link to full text.

Keywords: 
Calcium, Calcium carbonate, Digestibility, Limestone, Phytase, pig
Authors: 
Nelson, Lee, Walk, Zhang, Zhai, Stein
Publication Type: 
Peer-reviewed journal articles

The pig is an excellent model to determine amino acid digestibility of human foods and to generate data needed to meet human amino acid requirements

Stein, Hans H. 2024. The pig is an excellent model to determine amino acid digestibility of human foods and to generate data needed to meet human amino acid requirements. Front. Nutr. 11:1434430. DOI 10.3389/fnut.2024.1434430 Link to full text.

Keywords: 
additivity, Amino acids, Digestibility, pig, Protein
Authors: 
Stein
Publication Type: 
Peer-reviewed journal articles

Effects of different protein sources in low-phosphorus diets on calculated basal endogenous loss of phosphorus by growing pigs

Nelson, M. E., S. A. Lee, H. H. Stein. 2024. Effects of different protein sources in low-phosphorus diets on calculated basal endogenous loss of phosphorus by growing pigs. Animal Feed Science and Technology 310, 115927, doi.org/10.1016/j.anifeedsci.2024.115927 Link to full text.

Keywords: 
Digestibility, Endogenous loss, P-Free Diet, pig, Phosphorus
Authors: 
Nelson, Lee, Stein
Publication Type: 
Peer-reviewed journal articles

Standardized ileal digestibility of amino acids and metabolizable energy in three sources of high-protein corn distillers dried grains fed to weanling pigs

Ruiz-Arias, N. C., S. A. Lee, H. H. Stein. 2024. Standardized ileal digestibility of amino acids and metabolizable energy in three sources of high-protein corn distillers dried grains fed to weanling pigs. Animal Feed Science and Technology 313, 115985. doi.org/10.1016/j.anifeedsci.2024.115985 Link to full text.

Keywords: 
Amino acids, Digestibility, Energy, High-protein distillers dried grains, pig
Authors: 
Ruiz-Arias, Lee, Stein
Publication Type: 
Peer-reviewed journal articles

Optimun ratios between digestible Ca and digestible P and impact of phytase on growth performance of weanling and growing pigs

Stein, Hans H. 2023. Optimun ratios between digestible Ca and digestible P and impact of phytase on growth performance of weanling and growing pigs. XXXVIII Curso de especializacion FEDNA. Pag 213 - 223. Link to full text.

Keywords: 
Digestible Ca, digestible P, Phytase, pig
Authors: 
Stein
Publication Type: 
Conference proceedings

Effect of Microbial Phytase on Digestibility of Phosphorus in Seven Sources of Sunflower co-Products Fed to Growing Pigs

Ibagon, Jimena A., Hans H. Stein, Charmaine D. Espinosa. 2023. Effect of Microbial Phytase on Digestibility of Phosphorus in Seven Sources of Sunflower co-Products Fed to Growing Pigs. J. Anim. Sci. Volume 101, Issue Supplement 2, Pages 303–304, doi.org/10.1093/jas/skad341.345. Link to abstract.

Keywords: 
Calcium, Digestibility, Phosphorus, pig, sunflower co-product
Authors: 
Ibagon, Stein, Espinosa
Publication Type: 
Abstracts

Metabolizable energy and apparent total tract digestibility of energy and nutrients differ among samples of sunflower meal and sunflower expellers fed to growing pigs

Ibagon, Jimena A., Su A Lee, and Hans H. Stein. 2023. Metabolizable energy and apparent total tract digestibility of energy and nutrients differ among samples of sunflower meal and sunflower expellers fed to growing pigs. Journal of Animal Science, 101, 1–8. doi.org/10.1093/jas/skad117. Link to full text.

Keywords: 
Digestibility, Energy, Fat, pig, Sunflower expellers, Sunflower meal
Authors: 
Ibagon, Lee, Stein
Publication Type: 
Peer-reviewed journal articles

Inclusion of spray dried plasma in diets based on different ingredient combinations increases the digestibility of energy, fiber, Ca, and P by young pigs

Bailey, Hannah M., Joy M. Campbell, Leidy J. Torres-Mendoza, Natalia S. Fanelli, and Hans H. Stein. 2023. Inclusion of spray dried plasma in diets based on different ingredient combinations increases the digestibility of energy, fiber, Ca, and P by young pigs. Translational Animal Science, 2023, 7, txad031. doi.org/10.1093/tas/txad031.

Keywords: 
additivity, apparent total tract digestibility, endogenous phosphorus losses, pig, Spray Dried Plasma
Authors: 
Bailey, Campbell, Torres-Mendoza, Fanelli, Stein
Publication Type: 
Peer-reviewed journal articles

Apparent ileal digestibility of amino acids by pigs is not affected by increasing dietary calcium from deficient to excess concentrations, but phosphorus digestibility is reduced

Lee, Su A, H. H. Stein. 2022. Apparent ileal digestibility of amino acids by pigs is not affected by increasing dietary calcium from deficient to excess concentrations, but phosphorus digestibility is reduced. Animal Feed Science and Technology 292 (2022) 115436. doi.org/10.1016/j.anifeedsci.2022.115436. Link to full text.

Keywords: 
Amino Acid, Calcium, Calcium carbonate, pig, Phosphorus, requirement
Authors: 
Lee, Stein
Publication Type: 
Peer-reviewed journal articles

Digestibility of Energy, Dry Matter, Protein, and Fat and Concentration of Metabolizable Energy in Sunflower Meal and Sunflower Expellers Fed to Growing Pigs

Ibagon, J. A., Su A Lee, and H. H. Stein. 2022. Digestibility of Energy, Dry Matter, Protein, and Fat and Concentration of Metabolizable Energy in Sunflower Meal and Sunflower Expellers Fed to Growing Pigs. J. Anim. Sci. 100 (Suppl. 2): 41–42. doi.org/10.1093/jas/skac064.064. Link to Abstr.

Keywords: 
Nutrient digestibility, pig, sunflower co-product
Authors: 
Ibagon, Lee, Stein
Publication Type: 
Abstracts

Concentrations of digestible amino acids in co-products from threonine and tryptophan fermentation are greater than in soybean meal

Espinosa, Charmaine D., M. S. F. Oliveira, J. K. Htoo, H. H. Stein. 2021. Concentrations of digestible amino acids in co-products from threonine and tryptophan fermentation are greater than in soybean meal. Animal Feed Science and Technology 277 (2021) 114948. doi.org/10.1016/j.anifeedsci.2021.114948. Link to full text.

Keywords: 
Amino acids, Digestibility, Soybean meal, Threonine biomass, Tryptophan biomass, pig
Authors: 
C.D. Espinosa a, M.S.F. Oliveira a, J.K. Htoo b, H.H. Stein
Publication Type: 
Peer-reviewed journal articles

Hybrid rye may replace up to 75% of the corn in diets for gestating and lactating sows without negatively impacting sow and piglet performance

McGhee, Molly L., Hans H. Stein. 2020. Hybrid rye may replace up to 75% of the corn in diets for gestating and lactating sows without negatively impacting sow and piglet performance. J. Anim. Sci. 98(Suppl. 3): 102-103.  doi.org/10.1093/jas/skaa054.176. (Abstr.). Link to abstract.

Keywords: 
Hybrid rye, pig, Sow
Authors: 
Molly L McGhee, Hans H Stein
Publication Type: 
Abstracts

Effects of dietary amino acid concentration on digestibility of amino acids in soybean meal and soy protein concentrate fed to growing pigs

Lee, Su A, Hans H. Stein. 2020. Effects of dietary amino acid concentration on digestibility of amino acids in soybean meal and soy protein concentrate fed to growing pigs. J. Anim. Sci. 98(Suppl. 3): 65. doi.org/10.1093/jas/skaa054.118. (Abstr.). Link to abstract.

Keywords: 
dietary protein levels, pig, standardized ileal digestibility of amino acids
Authors: 
Lee, Stein
Publication Type: 
Abstracts

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.

Keywords: 
Extrusion, Feed Processing, Fiber, pig, Soybean hulls
Authors: 
Rodriguez, Lee, C. de Godoy, Stein
Publication Type: 
Peer-reviewed journal articles

Intrinsic phytase in hybrid rye increases the digestibility of phosphorus in corn and soybean meal in diets fed to growing pigs

Archs Toledo, Joan L., Su A Lee, Molly L. McGhee, Gonzalo G. Mateos, and Hans H. Stein. 2020. Intrinsic phytase in hybrid rye increases the digestibility of phosphorus in corn and soybean meal in diets fed to growing pigs. Journal of Animal Science, 2020, Vol. 98, No. 10, 1–6. doi:10.1093/jas/skaa295. Link to full text.

Keywords: 
Digestibility, Intrinsic phytase, microbial phytase, Phosphorus, pig, Rye
Authors: 
Archs Toledo, Lee, McGhee, Mateos, Stein
Publication Type: 
Peer-reviewed journal articles

Determination of true ileal amino acid digestibility in the growing pig for calculation of digestible indispensable amino acid score (DIAAS)

Hodgkinson, Suzanne M., Hans H. Stein, Sonja de Vries, Wouter H. Hendriks, and Paul J. Moughan. 2020. Determination of true ileal amino acid digestibility in the growing pig for calculation of digestible indispensable amino acid score (DIAAS). The Journal of Nutrition. First published online, 2020. doi.org/10.1093/jn/nxaa210.

Keywords: 
Amino acids, True digestibility, pig, T-cannula, Digestible indispensable amino acid score
Authors: 
Hodgkinson, Stein, Vries, Hendriks, Moughan1
Publication Type: 
Peer-reviewed journal articles

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