Go to completed research year 2023
Effects of feeding intact protein from soybean meal instead of synthetic amino acids on energy and nitrogen balance by growing pigs.
Investigators: Cristobal, M., S. A. Lee, C. M. Parsons.
Publication: J. Anim. Sci. 2025. doi:10.1093/jas/skaf197.
Standardized total tract digestibility of calcium in limestone, monocalcium phosphate, and dicalcium phosphate without or with microbial phytase fed to growing pigs.
Investigators: Lee, S. A., and J. H. Stein.
Publication: In preparation.
Concentration of net energy in diets based on corn and soybean meal or corn, soybean meal and crystalline amino acids.
Investigators: Cristobal, M., S. A. Lee, C. M. Parsons, and H. H. Stein.
Publication: J. Anim. Sci. Submitted.
Efficiency of commercial enzymes in increasing digestibility of dry matter and dietary fiber using an in vitro procedure.
Investigators: Acosta, J. P., and H. H. Stein.
Publication: In preparation.
Effects of feeding intact protein from soybean meal instead of crystalline amino acids on growth performance, protein synthesis, and immune system of growing pigs.
Investigators: Cristobal, M., S. A. Lee, C. M. Parsons, and H. H. Stein.
Publication: J. Anim. Sci. Submitted. Skaf349. 2025. doi:10.1093/jas/skaf349.
Ileal digestibility of amino acids and starch in diets containing increasing levels of soybean meal instead of synthetic amino acids.
Investigators: Cristobal, M., S. A. Lee, C. M. Parsons.
Publication: J. Anim. Sci. Submitted.
Effects of installing a T-cannula in the distal ileum of pigs on energy and nutrient digestibility.
Investigators: Lee, S. A., and H. H. Stein.
Publication: J. Anim. Sci. 2025. 103 (Suppl. 1): 172–173. doi:10.1093/jas/skaf102.184.
Effect of source of limestone and phytase on Ca and P balance in diets fed to young growing pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: In preparation.
Effect of source of limestone and phytase on growth performance and bone ash in young growing pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: In preparation.
Nitrogen balance of pigs fed diets with different levels of soybean meal.
Investigators: Ibagon, J. A., and H. H. Stein.
Publication: In preparation.
Standardized ileal digestibility of amino acids in soybean meal produced from low-oligosaccharide varieties of soybeans.
Investigators: Ruiz, N. C., A. P. Mallea, and Hans H. Stein.
Publication: NA.
Effects of dietary protein concentration and level of soybean meal on growth performance and gut health of pigs.
Investigators: Ibagon, J. A., S. A. Lee, and H. H. Stein.
Publication: In preparation.
Energy digestibility and metabolizable energy in soybean meal produced from low-oligosaccharide varieties of soybeans.
Investigators: Ruiz, N. C., A. P. Mallea, and Hans H. Stein.
Publication: NA.
Digestibility of phosphorus in soybean meal produced from low-oligosaccharide varieties of soybeans.
Investigators: Ruiz, N. C., A. P. Mallea, and Hans H. Stein.
Publication: NA.
Effects of a novel beta-mannanase enzyme on growth performance of weanling pigs.
Investigators: Acosta, J. P., S. A. Lee, and H. H. Stein.
Publication: Transl. Anim. Sci. 2025. txaf061. doi:10.1093/tas/txaf061.
Digestibility of phosphorus in wheat middlings fed to growing pigs.
Investigators: Larsen, C., A. P. Mallea, M. Cristobal, C. D. Espinosa, and H. H. Stein.
Publication: In preparation.
Indicators of sustainability in pigs fed diets based on soybean meal compared with diets based on canola meal or distillers dried grains with solubles.
Investigators: Ibagon, J. A., S. A. Lee, and H. H. Stein.
Publication: In preparation.
Metabolizable energy in soybean hulls when fed to growing pigs or sows.
Investigators: Kim, Y., S. A. Lee, and H. H. Stein.
Publication: Transl. Anim. Sci. 2025. txaf041. doi:10.1093/tas/txaf041.
Effect of inulosucrase on nutrient digestibility in diets fed to growing pigs.
Investigators: Ibagon, J. A., and H. H. Stein.
Publication: NA.
Energy equivalency of soybean meal fed to growing pigs.
Investigators: Ibagon, J. A., and H. H. Stein.
Publication: Can. J. Anim. Sci. 2025. 105:1–7. doi:10.1139/cjas-2025-0002.
Barriers to digestibility of amino acids in soybean meal fed to growing pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Effects of 1-hydroxycholecalciferol on digestibility of dry matter, energy, calcium, and phosphorus in growing pigs.
Investigators: Jarramillo, J. M., and H. H. Stein.
Publication: NA.
Evaluation of plasma products and duration of feeding on growth performance of weanling pigs.
Investigators: Stein, H. H.
Publication: Front. Anim. Sci. 2025. 6:1648283. doi:10.3389/fanim.2025.1648283.
Determine the efficaciousness of Phyto10 compared to Presan FX on growth performance and fecal score of nursery pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Effects of 1-hydroxycholecalciferol on growth performance and bone ash concentration in growing pigs.
Investigators: Jarramillo, J. M., and H. H. Stein.
Publication: NA.
Growth performance of weanling pigs fed diets supplemented with an organic acid.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Standardized ileal digestibility of amino acids and apparent ileal digestibility of starch in diets containing DDGS, canola meal, or soybean hulls.
Investigators: Ibagon, J. A., and H. H. Stein.
Publication: In preparation.
Growth performance of pigs fed diets containing coated micro minerals.
Investigators: Lee, S. A., and H. H. Stein.
Publication: J. Anim. Sci. Submitted. 2026 (Abstr.).
Additivity of effects of 25-hydroxy-vitamin D3 and microbial phytase on digestibility of calcium and phosphorus, serum 25-OH-D3, and bone biomarkers in growing pigs and gestating sows.
Investigators: Jaramillo, B. M., S. A. Lee, and H. H. Stein.
Publication: J. Anim. Sci. 2025. 103:skaf273. doi:10.1093/jas/skaf273.
Apparent total tract digestibility of dry matter and minerals in growing pigs fed diets containing coated micro minerals.
Investigators: Lee, S. A., and H. H. Stein.
Publication: J. Anim. Sci. Submitted. 2026 (Abstr.).
Effect of heat treatment of enzyme-treated soybean meal on ileal digestibility of amino acids.
Investigators: Torres, L. J., S. A. Lee, and H. H. Stein.
Publication: J. Anim. Sci. Submitted. 2025. 103 (Suppl. 1): 168–169. doi:10.1093/jas/skaf102.180.
Ileal digestibility of amino acids in extruded corn.
Investigators: Lee, S. A., and H. H. Stein.
Publication: In progress.
Growth performance of weanling pigs fed diets containing different sources of copper.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Effects of different levels of protein intake on nitrogen retention by weanling, growing, and finishing pigs.
Investigators: Ibagon, J. A., S. A. Lee, and H. H. Stein.
Publication: In progress.
Effects of over-heating soybean meal on growth performance of weanling pigs.
Investigators: Torres, L. J., S. A. Lee, and H. H. Stein.
Publication: NA.
Use of hybrid rye in diets for growing and reproducing pigs: A literature review and determination of hybrid rye on net energy and greenhouse emission.
Investigators: Acosta, J. P., S. A. Lee, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 116442. doi:10.1016/j.anifeedsci.2025.116442.
Effects of hybrid rye on ileal digestibility of starch and amino acids in diets fed to growing pigs.
Investigators: Acosta, J. P., S. A. Lee, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. Submitted.
Growth performance, blood inositol levels, and immune characteristics of pigs fed diets containing soybean meal and high levels of phytase.
Investigators: Mallea, A. P., S. A. Lee, and H. H. Stein.
Publication: In preparation.
Effects of installing a T-cannula in the distal ileum of pigs on growth performance during the growing period.
Investigators: Lee, S. A., and H. H. Stein.
Publication: J. Anim. Sci. 2025. 103 (Suppl. 1): 172–173. doi:10.1093/jas/skaf102.184.