Peer-reviewed journal articles

Digestible indispensable amino acid score (DIAAS) is greater in animal‑based burgers than in plant‑based burgers if determined in pigs

Fanelli, Natalia S., Hannah M. Bailey, Tyler W. Thompson, Robert Delmore, Mahesh Narayanan Nair, Hans H. Stein. 2021. Digestible indispensable amino acid score (DIAAS) is greater in animal‑based burgers than in plant‑based burgers if determined in pigs. European Journal of Nutrition doi.org/10.1007/s00394-021-02658-1.

Comparative digestibility and retention of calcium and phosphorus in normal- and high-phytate diets fed to gestating sows and growing pigs

Lee, S. A., M. R. Bedford, H. H. Stein. 2021. Comparative digestibility and retention of calcium and phosphorus in normal- and high-phytate diets fed to gestating sows and growing pigs. Animal Feed Science and Technology 280 (2021) 115084. doi.org/10.1016/j.anifeedsci.2021.115084. Link to full text.

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Effects of supplemental d-methionine in comparison to l-methionine on nitrogen retention, gut morphology, antioxidant status, and mRNA abundance of amino acid transporters in weanling pigs

Espinosa, Charmaine D., John K. Mathai, Laia Blavi, Yanhong Liu, John K. Htoo, J. Caroline Gonzalez-Vega, and Hans H. Stein. 2021. Effects of supplemental d-methionine in comparison to l-methionine on nitrogen retention, gut morphology, antioxidant status, and mRNA abundance of amino acid transporters in weanling pigs. Journal of Animal Science, 2021, Vol. 99, No. 9, 1–10. doi.org/10.1093/jas/skab248.

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. 2021. Hybrid rye may replace up to 75% of the corn in diets for gestating and lactating sows without negatively impacting sow and piglet performance. Journal of Animal Science, 2021, Vol. 99, No. 9, 1–9. doi.org/10.1093/jas/skab230. Link to full text.

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Addition of hydrochloric acid to collection bags or collection containers did not change basal endogenous losses or ileal digestibility of amino acid in corn, soybean meal, or wheat middlings fed to growing pigs

Lee, Su A, Laia Blavi, Diego M. D. L. Navarro, and Hans H. Stein. 2021. Addition of hydrochloric acid to collection bags or collection containers did not change basal endogenous losses or ileal digestibility of amino acid in corn, soybean meal, or wheat middlings fed to growing pigs. Animal Bioscience Vol. 34, No. 10:1632-1642 October 2021. doi.org/10.5713/ab.20.0838.

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Digestibility of amino acids and concentration of metabolizable energy are greater in high-oil corn than in conventional corn when fed to growing pigs

Espinosa, C. D., N. S. Fanelli, H. H. Stein. 2021. Digestibility of amino acids and concentration of metabolizable energy are greater in high-oil corn than in conventional corn when fed to growing pigs. Animal Feed Science and Technology 280: 115040. doi.org/10.1016/j.anifeedsci.2021.115040. Link to full text.

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Sunflower expellers have greater ileal digestibility of amino acids than sunflower meal, but there are only minor variations among different sources of sunflower meal when fed to growing pigs

Ibagon, Jimena A., Su A Lee, and Hans H. Stein. 2021. Sunflower expellers have greater ileal digestibility of amino acids than sunflower meal, but there are only minor variations among different sources of sunflower meal when fed to growing pigs. Journal of Animal Science, 2021, Vol. 99, No.

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Growth performance and carcass quality are not different between pigs fed diets containing cold-fermented low-oil DDGS and pigs fed conventional DDGS, but pelleting improves gain to feed ratio regardless of source of DDGS

Rodriguez, Diego A.,  Su A Lee, and Hans H. Stein. 2021. Growth performance and carcass quality are not different between pigs fed diets containing cold-fermented low-oil DDGS and pigs fed conventional DDGS, but pelleting improves gain to feed ratio regardless of source of DDGS. Journal of Animal Science, 2021, Vol. 99, No. 8, 1–8. doi:10.1093/jas/skab129.

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Influence 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-bound phosphorus

Espinosa, Charmaine D., Maryane S. F. Oliveira, Deepak E. Velayudhan, Yueming Dersjant-Li, Hans H. Stein. 2021. Influence 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-bound phosphorus. Journal of Animal Science, 2021, Vol. 99, No. 8, 1–12. doi.org/10.1093/jas/skab211.

Reduced concentrations of limestone and monocalcium phosphate in diets without or with microbial phytase did not influence gastric pH, fecal score, or growth performance, but reduced bone ash and serum albumin in weanling pigs

Lagos, L. Vanessa, Su A Lee, Mike R. Bedford, and Hans H. Stein. 2021. Reduced concentrations of limestone and monocalcium phosphate in diets without or with microbial phytase did not influence gastric pH, fecal score, or growth performance, but reduced bone ash and serum albumin in weanling pigs. Transl. Anim. Sci. 2021.5:1-10. doi.org/10.1093/tas/txab115.

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Soybean meal sourced from Argentina, Brazil, China, India and USA as an ingredient in practical diets for Pacific white shrimp Litopenaeus vannamei

Galkanda-Arachchige, Harsha S. C., Hans H. Stein, and D. Allen Davis. 2021. Soybean meal sourced from Argentina, Brazil, China, India and USA as an ingredient in practical diets for Pacific white shrimp Litopenaeus vannamei. Aquaculture Nutrition. 2021;27:1103–1113. doi: 10.1111/anu.13251. Link to full text.

Corn protein has greater concentrations of digestible amino acids and energy than low-oil corn distillers dried grains with solubles when fed to pigs but does not affect the growth performance of weanling pigs

Acosta, Jessica P., Charmaine D. Espinosa, Neil W. Jaworski, and Hans H. Stein. 2021. Corn protein has greater concentrations of digestible amino acids and energy than low-oil corn distillers dried grains with solubles when fed to pigs but does not affect the growth performance of weanling pigs. Journal of Animal Science, 2021, Vol. 99, No. 7, 1–12. doi:10.1093/jas/skab175.

Effect of dietary crude protein level on growth performance, blood characteristics, and indicators of intestinal health in weanling pigs

Limbach, Joseph R., Charmaine D. Espinosa, Estefania Perez-Calvo, and Hans H. Stein. 2021. Effect of dietary crude protein level on growth performance, blood characteristics, and indicators of intestinal health in weanling pigs. Journal of Animal Science, 2021, Vol. 99, No. 6, 1–14. doi:10.1093/jas/skab166. Link to full text.

Inclusion of dicopper oxide instead of copper sulfate in diets for growing–finishing pigs results in greater final body weight and bone mineralization, but reduced accumulation of copper in the liver

Blavi, Laia, David Solà, Alessandra Monteiro, J. Francisco Pérez, and Hans H. Stein. 2021. Inclusion of dicopper oxide instead of copper sulfate in diets for growing–finishing pigs results in greater final body weight and bone mineralization, but reduced accumulation of copper in the liver. Journal of Animal Science, 2021, Vol. 99, No. 6, 1–8. doi:10.1093/jas/skab127.

Quantities of ash, Ca, and P in metacarpals, metatarsals, and tibia are better correlated with total body bone ash in growing pigs than ash, Ca, and P in other bones

Lee, Su A, L. Vanessa Lagos, Mike R. Bedford, and Hans H. Stein. 2021. Quantities of ash, Ca, and P in metacarpals, metatarsals, and tibia are better correlated with total body bone ash in growing pigs than ash, Ca, and P in other bones. Journal of Animal Science, 2021, Vol. 99, No. 6, 1–6. doi:10.1093/jas/skab149.

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Formulation of diets for pigs based on a ratio between digestible calcium and digestible phosphorus results in reduced excretion of calcium in urine without affecting retention of calcium and phosphorus compared with formulation based on values for total

Lagos, L. Vanessa, Su A Lee, Mike R. Bedford, and Hans H. Stein. 2021. Formulation of diets for pigs based on a ratio between digestible calcium and digestible phosphorus results in reduced excretion of calcium in urine without affecting retention of calcium and phosphorus compared with formulation based on values for total calcium. Journal of Animal Science, 2021, Vol. 99, No. 5, 1–7. doi:10.1093/jas/skab138.

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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.

Soybean meal sourced from Argentina, Brazil, China, India and USA as an ingredient in practical diets for Pacific white shrimp Litopenaeus vannamei

Galkanda-Arachchige, Harsha S. C., Hans H. Stein, D. Allen Davis. 2021. Soybean meal sourced from Argentina, Brazil, China, India and USA as an ingredient in practical diets for Pacific white shrimp Litopenaeus vannamei. Aquaculture Nutrition. 2021;00:1–11. DOI: 10.1111/anu.13251. Link to full text.

Formulating diets based on digestible calcium instead of total calcium does not affect growth performance or carcass characteristics, but microbial phytase ameliorates bone resorption caused by low calcium in diets fed to pigs from 11 to 130 kg

Lagos, L. Vanessa, Su A Lee, Mike R. Bedford, and Hans H. Stein. 2021. Formulating diets based on digestible calcium instead of total calcium does not affect growth performance or carcass characteristics, but microbial phytase ameliorates bone resorption caused by low calcium in diets fed to pigs from 11 to 130 kg. Journal of Animal Science, 2021, Vol. 99, No. 3, 1–11. doi:10.1093/jas/skab057.

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Nutrient digestibility and endogenous protein losses in the foregut and small intestine of weaned dairy calves fed calf starters with conventional or enzyme-treated soybean meal

Ansia, I., H. H. Stein, C. Brøkner, C. A. Hayes, and J. K. Drackley. 2021. Nutrient digestibility and endogenous protein losses in the foregut and small intestine of weaned dairy calves fed calf starters with conventional or enzyme-treated soybean meal. J. Dairy Sci. 104:2979–2995. doi.org/10.3168/jds.2020-18776.

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