Peer-reviewed journal articles

Effects of heat damage and crystalline amino acid supplementation on growth performance of weanling pigs fed diets based on soybean meal and enzyme-treated soybean meal

Torres-Mendoza, Leidy J., Hans H. Stein. 2026.

Keywords:

Soybean meal, Enzyme-treated soybean meal, reactive Lys, Maillard reaction, Growth performance

Authors:

Torres-Mendoza, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Effects of heat damage and crystalline amino acid supplementation on growth performance of weanling pigs fed diets based on soybean meal and enzyme-treated soybean meal

Digestibility of Energy and Concentrations of Digestible and Metabolizable Energy in Pistachio Shell Powder and in Soybean Hulls Fed to Growing Pigs

Kim, Yeonwoo, Maryane S. F. Oliveira, Su A Lee, Hans H. Stein. 2026. Digestibility of Energy and Concentrations of Digestible and Metabolizable Energy in Pistachio Shell Powder and in Soybean Hulls Fed to Growing Pigs. Animals Animals 2026, 16, 758. doi.org/10.3390/ani16050758 Link to full text.

Keywords:

digestibility; energy; fiber; growing pigs; pistachio shell powder; soybean hulls

Authors:

Kim, Oliveira, Lee, Stein

Publication Type:

Peer-reviewed journal articles

Pistachio shell powder may be included in diets for weanling pigs without compromising growth performance or blood characteristics

Kim, Yeonwoo, Su A Lee, and Hans H. Stein. 2026. Pistachio shell powder may be included in diets for weanling pigs without compromising growth performance or blood characteristics. Translational Animal Science, 2026, 10, txag002. doi.org/10.1093/tas/txag002 Link to full text.

Keywords:

alternative ingredients, blood urea nitrogen, Dietary fiber, feed efficiency, pistachio shell powder, Weanling pigs

Authors:

Kim, Lee, Stein

Publication Type:

Peer-reviewed journal articles

Concentrations of digestible and metabolizable energy are greater in pistachio blanks than in wheat middlings, but some amino acids in pistachio blanks have reduced digestibility compared with soybean meal when fed to growing pigs

Kim, Yeonwoo, Su A Lee, Hans H. Stein. 2026.

Keywords:

Amino acids, Energy, Growing pigs, pistachio blanks, Wheat middlings

Authors:

Kim, Lee, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Concentrations of digestible and metabolizable energy are greater in pistachio blanks than in wheat middlings, but some amino acids in pistachio blanks have reduced digestibility compared with soybean meal when fed to growing pigs

Greenhouse gas emissions, net energy, and nitrogen balance are not impacted by inclusion of hybrid rye in diets for growing pigs, but ileal digestibility of amino acids and acid-hydrolyzed ether extract is reduced if hybrid rye replaces corn

Acosta, Jessica P., Su A Lee, Hans H. Stein. 2026.

Keywords:

Digestibility, Energy, greenhouse gas emission, nitrogen balance, Hybrid rye, Pigs

Authors:

Acosta, Lee, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Greenhouse gas emissions, net energy, and nitrogen balance are not impacted by inclusion of hybrid rye in diets for growing pigs, but ileal digestibility of amino acids and acid-hydrolyzed ether extract is reduced if hybrid rye replaces corn

Effect of pellet die thickness on standardized ileal digestibility of amino acids when pelleting diets fed to growing pigs

Lopez, Diego A., Matt D. Miesner, Jordan T. Gebhardt, Charles R. Stark, Hans H. Stein, and Chad B. Paulk. 2026. Effect of pellet die thickness on standardized ileal digestibility of amino acids when pelleting diets fed to growing pigs. Translational Animal Science, 2026, 10, txaf163. doi.org/10.1093/tas/txaf163 Link to full text.

Keywords:

Amino acids, Digestibility, Growing pigs, pellet die thickness, Pelleting

Authors:

Lopez, Miesner, Gebhardt, Stark, Stein, Paulk

Publication Type:

Peer-reviewed journal articles

In vitro protein digestibility of plant-based foods and ingredients vs standardized values in growing pigs

Gomez-Marín, Cristina, Natalia S. Fanelli, Beatriz Miralles, Hans H. Stein, Isidra Recio. 2026. In vitro protein digestibility of plant-based foods and ingredients vs standardized values in growing pigs. Current Research in Food Science 12 (2026) 101311. doi.org/10.1016/j.crfs.2026.101311 Link to full text.

Keywords:

In vitro protein digestibility, Amino acid digestibility, Digestible indispensable amino acid score (DIAAS), Comparison in vitro-in vivo, plant proteins, Trypsin inhibitors

Authors:

Cristina Gomez-Marín a, c, Natalia S. Fanelli b, Beatriz Miralles a, Hans H. Stein b, Isidra Recio

Publication Type:

Peer-reviewed journal articles

Effect of feed conditioning time prior to pelleting on standardized ileal digestibility of amino acids and total tract digestibility of energy in diets fed to growing pigs

Lopez, Diego A., Hans H. Stein, Matt D. Miesner, Jordan T. Gebhardt, Charles R. Stark, and Chad B. Paulk. 2025. Effect of feed conditioning time prior to pelleting on standardized ileal digestibility of amino acids and total tract digestibility of energy in diets fed to growing pigs. Translational Animal Science, 2025, 9, txaf153

Keywords:

Amino acids, conditioning, Digestibility, Energy, Pelleting, Pigs

Authors:

Lopez, Stein, Miesner, Gebhardt, Stark, Paulk

Publication Type:

Peer-reviewed journal articles

Read more about Effect of feed conditioning time prior to pelleting on standardized ileal digestibility of amino acids and total tract digestibility of energy in diets fed to growing pigs

True Ileal Amino Acid Digestibility of Human Foods Classified According to Food Type as Determined in the Growing Pig

Hodgkinson, Suzanne M., Natascha Stroebinger, Hans H. Stein, Natalia S. Fanelli, Sonja de Vries, Nikkie van der Wielen, Wouter H. Hendriks, Paul J Moughan.

Keywords:

pig, true ileal amino acid digestibility, Amino acids, protein quality, Protein digestibility

Authors:

Hodgkinson, Stroebinger, Stein, Fanelli, de Vries, van der Wielen, Hendriks, Moughan

Publication Type:

Peer-reviewed journal articles

Read more about True Ileal Amino Acid Digestibility of Human Foods Classified According to Food Type as Determined in the Growing Pig

Effects of the combination of spray dried plasma and reduced crude protein in diets on growth performance, diarrhea scores, gut morphology, and immune parameters of weanling pigs

Bailey, Hannah M., Natalia S. Fanelli, Joy M. Campbell, and Hans H. Stein. 2025. Effects of the combination of spray dried plasma and reduced crude protein in diets on growth performance, diarrhea scores, gut morphology, and immune parameters of weanling pigs. Can. J. Anim. Sci.

Keywords:

cytokines, inflammation, Low crude protein, Spray Dried Plasma, Weanling pigs

Authors:

Bailey, Fanelli, Campbell, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Effects of the combination of spray dried plasma and reduced crude protein in diets on growth performance, diarrhea scores, gut morphology, and immune parameters of weanling pigs

Feeding intact protein from soybean meal instead of corn and synthetic amino acids does not affect growth performance, carcass composition, blood cytokines, or mRNA abundance of intestinal amino acid transporters in growing pigs, but net energy tends to b

Cristobal, Minoy, Su A Lee , Carl M. Parsons, and Hans H. Stein.

Keywords:

Amino acids, Carcass composition, Net energy, Pigs, Protein, Soybean meal

Authors:

Cristobal, Lee, Parsons, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Feeding intact protein from soybean meal instead of corn and synthetic amino acids does not affect growth performance, carcass composition, blood cytokines, or mRNA abundance of intestinal amino acid transporters in growing pigs, but net energy tends to b

Novel milk ingredient blend in nursery pig diets did not improve growth performance and survival compared to control diets without or with spray-dried plasma

Shen, Yanbin, Sung Woo Kim, Hans H. Stein, Javier Polo, and Joe Crenshaw. 2025. Novel milk ingredient blend in nursery pig diets did not improve growth performance and survival compared to control diets without or with spray-dried plasma. Front. Anim. Sci. 6:1648283.

Keywords:

weaned pigs, milk protein, spray-dried plasma, diarrhea score, pig survival

Authors:

Shen, Kim, Stein, Polo, Crenshaw

Publication Type:

Peer-reviewed journal articles

Read more about Novel milk ingredient blend in nursery pig diets did not improve growth performance and survival compared to control diets without or with spray-dried plasma

Microbial phytase and 25-hydroxy-vitamin D3 fed to growing pigs increase digestibility of calcium and phosphorus and influence plasma vitamin D metabolites and serum bone biomarkers, but effects are not always additive

Jaramillo, Bibiana M., Jessica P. Acosta, Su A Lee, Michael R. Murphy, and Hans H. Stein. 2025. Microbial phytase and 25-hydroxy-vitamin D3 fed to growing pigs increase digestibility of calcium and phosphorus and influence plasma vitamin D metabolites and serum bone biomarkers, but effects are not always additive. J. Anim. Sci., 2025, 103, skaf273.

Keywords:

25(OH)D3, Calcium, Phosphorus, Phytase, pig, Vitamin D

Authors:

Bibiana M. Jaramillo, † Jessica P. Acosta, † Su A Lee, ‡, Michael R. Murphy, †, ‡ and Hans H. Stein†

Publication Type:

Peer-reviewed journal articles

Read more about Microbial phytase and 25-hydroxy-vitamin D3 fed to growing pigs increase digestibility of calcium and phosphorus and influence plasma vitamin D metabolites and serum bone biomarkers, but effects are not always additive

Spray-dried plasma titration effects on growth performance, intestinal morphology, and immune system indicators of weaned pigs housed in a sanitation-challenged environment

Bailey, Hannah M, Natalia S. Fanelli, Joy M. Campbell, Hans H. Stein. 2025.

Keywords:

cytokines, Growth performance, Pigs, Spray Dried Plasma

Authors:

Bailey, Fanelli, Campbell, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Spray-dried plasma titration effects on growth performance, intestinal morphology, and immune system indicators of weaned pigs housed in a sanitation-challenged environment

Modeling improvements in digestible amino acids by a consensus bacterial 6-phytase variant in grower pigs

Velayudhan, Deepak, Yueming Dersjant-Li, Rosil Lizardo, Arun Kumar, Hans H. Stein, Charmaine D. Espinosa, Vinicius Cantarelli, Rachael Hardy, Ester Vinyeta, and Leon Marchal.

Keywords:

Amino acids, Digestibility, novel consensus bacterial 6-phytase variant, nutrient matrix, phytate, Pigs

Authors:

Velayudhan, Dersjant-Li, Lizardo, Kumar, Stein, Espinosa, Cantarelli, Hardy, Vinyeta, Marchal

Publication Type:

Peer-reviewed journal articles

Read more about Modeling improvements in digestible amino acids by a consensus bacterial 6-phytase variant in grower pigs

Replacement of soybean meal in diets for growing pigs with corn and synthetic amino acids results in reduced energy and nitrogen digestibility and reduced daily nitrogen retention, but metabolizable energy is not changed

Cristobal, Minoy, Su A Lee, Carl M. Parsons, and Hans H. Stein. 2025. Replacement of soybean meal in diets for growing pigs with corn and synthetic amino acids results in reduced energy and nitrogen digestibility and reduced daily nitrogen retention, but metabolizable energy is not changed. Journal of Animal Science, 2025, 103, skaf197.

Keywords:

Amino acids, Energy, low-protein diets, nitrogen retention, Pigs, Soybean meal

Authors:

Cristobal, Lee, Parsons, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Replacement of soybean meal in diets for growing pigs with corn and synthetic amino acids results in reduced energy and nitrogen digestibility and reduced daily nitrogen retention, but metabolizable energy is not changed

The use and application of hybrid rye in diets for weanling, growing, and reproducing swine: A review

Acosta, Jessica P., Hans H. Stein. 2025. The use and application of hybrid rye in diets for weanling, growing, and reproducing swine: A review. Animal Feed Science and Technology 328 (2025) 116442. doi.org/10.1016/j.anifeedsci.2025.116442 Link to full text.

Keywords:

Digestibility, Growth performance, Hybrid rye, Nutrient composition, Pigs, Sows

Authors:

Acosta, Stein

Publication Type:

Peer-reviewed journal articles

Interactive effects of pelleting and particle size reduction of corn on ileal digestibility of starch, acid-hydrolyzed ether extract, and amino acids in corn-soybean meal diets fed to growing pigs

Lee, Su A, Chad B. Paulk, Hans H. Stein. 2025.

Keywords:

Acid-hydrolyzed ether extract, Amino acids, Corn, Particle size, Pelleting, Pigs, Starch

Authors:

Lee, Paulk, Stein

Publication Type:

Peer-reviewed journal articles

Read more about Interactive effects of pelleting and particle size reduction of corn on ileal digestibility of starch, acid-hydrolyzed ether extract, and amino acids in corn-soybean meal diets fed to growing pigs

True metabolizable energy, standardized amino acid digestibility, phosphorus digestibility, and phosphorus bioavailability of fermented soybean meal and fermented full-fat soybeans fed to chickens

M. Cristobal , P.L. Utterback , H.H. Stein, C.M. Parsons. 2025. True metabolizable energy, standardized amino acid digestibility, phosphorus digestibility, and phosphorus bioavailability of fermented soybean meal and fermented full-fat soybeans fed to chickens. Poultry Science 104 (2025) 105386. doi.org/10.1016/j.psj.2025.105386 Link to full text.

Keywords:

Soybean meal, Fermented soybean meal, Metabolizable energy, Amino acid digestibility, Phosphorus

Authors:

Cristobal, Utterback, Stein, Parsons

Publication Type:

Peer-reviewed journal articles

Tolerance of weanling pigs and effects on growth performance of supplementing corn-soybean mealbased diets with graded levels of a novel exogenous β-mannanase

Acosta, Jessica P., Su A Lee, Anna Fickler, and Hans H. Stein. 2025. Tolerance of weanling pigs and effects on growth performance of supplementing corn-soybean mealbased diets with graded levels of a novel exogenous β-mannanase. Translational Animal Science, 9, txaf061. doi.org/10.1093/tas/txaf061 Link to full text.

Keywords:

Growth performance, tolerance, Weanling pigs, β-mannanase

Authors:

Acosta, Lee, Fickler, Stein

Publication Type:

Peer-reviewed journal articles

Hans H. Stein

Main menu

Peer-reviewed journal articles

Effects of heat damage and crystalline amino acid supplementation on growth performance of weanling pigs fed diets based on soybean meal and enzyme-treated soybean meal

Digestibility of Energy and Concentrations of Digestible and Metabolizable Energy in Pistachio Shell Powder and in Soybean Hulls Fed to Growing Pigs

Pistachio shell powder may be included in diets for weanling pigs without compromising growth performance or blood characteristics

Concentrations of digestible and metabolizable energy are greater in pistachio blanks than in wheat middlings, but some amino acids in pistachio blanks have reduced digestibility compared with soybean meal when fed to growing pigs

Greenhouse gas emissions, net energy, and nitrogen balance are not impacted by inclusion of hybrid rye in diets for growing pigs, but ileal digestibility of amino acids and acid-hydrolyzed ether extract is reduced if hybrid rye replaces corn

Effect of pellet die thickness on standardized ileal digestibility of amino acids when pelleting diets fed to growing pigs

In vitro protein digestibility of plant-based foods and ingredients vs standardized values in growing pigs

Effect of feed conditioning time prior to pelleting on standardized ileal digestibility of amino acids and total tract digestibility of energy in diets fed to growing pigs

True Ileal Amino Acid Digestibility of Human Foods Classified According to Food Type as Determined in the Growing Pig

Effects of the combination of spray dried plasma and reduced crude protein in diets on growth performance, diarrhea scores, gut morphology, and immune parameters of weanling pigs

Feeding intact protein from soybean meal instead of corn and synthetic amino acids does not affect growth performance, carcass composition, blood cytokines, or mRNA abundance of intestinal amino acid transporters in growing pigs, but net energy tends to b

Novel milk ingredient blend in nursery pig diets did not improve growth performance and survival compared to control diets without or with spray-dried plasma

Microbial phytase and 25-hydroxy-vitamin D3 fed to growing pigs increase digestibility of calcium and phosphorus and influence plasma vitamin D metabolites and serum bone biomarkers, but effects are not always additive

Spray-dried plasma titration effects on growth performance, intestinal morphology, and immune system indicators of weaned pigs housed in a sanitation-challenged environment

Modeling improvements in digestible amino acids by a consensus bacterial 6-phytase variant in grower pigs

Replacement of soybean meal in diets for growing pigs with corn and synthetic amino acids results in reduced energy and nitrogen digestibility and reduced daily nitrogen retention, but metabolizable energy is not changed

The use and application of hybrid rye in diets for weanling, growing, and reproducing swine: A review

Interactive effects of pelleting and particle size reduction of corn on ileal digestibility of starch, acid-hydrolyzed ether extract, and amino acids in corn-soybean meal diets fed to growing pigs

True metabolizable energy, standardized amino acid digestibility, phosphorus digestibility, and phosphorus bioavailability of fermented soybean meal and fermented full-fat soybeans fed to chickens

Tolerance of weanling pigs and effects on growth performance of supplementing corn-soybean mealbased diets with graded levels of a novel exogenous β-mannanase

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