Go to completed research year 2020
Digestibility of energy in different sources of sunflower meal.
Investigators: Ibagon, J. A., S. A. Lee, and H. H. Stein.
Publication: J. Anim. Sci. 101:1–8. doi.org/10.1093/jas/skad117.
Effect of phytogenics on nutrient digestibility and nitrogen balance in growing pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Effect of adding soybean hulls on apparent ileal digestibility and standardized ileal digestibility of amino acids in soybean meal by growing pigs.
Investigators: Fanelli, N. S., C. D. Espinosa, and H. H. Stein.
Publication: In preparation.
Effect of Sylpro yeast on growth performance and gut health of weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: J. Anim. Sci. 101:1–11. doi.org/10.1093/jas/skad087.
Determination of net energy in soybean meal fed to pigs using indirect calorimetry.
Investigators: Lee, S. A., D. A. Rodriguez, and H. H. Stein.
Publication: In preparation.
Chemical composition of feed ingredients from Asia.
Investigators: Fanelli, N. S., and H. H. Stein.
Publication: Anim. Biosci. 36:768–775. doi.org/10.5713/ab.22.0359; Anim. Biosci. 36:908–919. doi.org/10.5713/ab.22.0360; Anim. Biosci. 36:1568–1577. doi.org/10.5713/ab.23.0071; Anim. Biosci. 37:105–115 (2024). doi.org/10.5713/ab.23.0201.
Effects of reducing the concentration of calcium and phosphorus and increasing microbial phytase on gastric pH, fecal score, growth performance, blood metabolites, phytate degradation, and bone ash of weanling pigs.
Investigators: Lagos, L. V., and H. H. Stein.
Publication: J. Anim. Sci. 99:12, 1–13. doi.org/10.1093/jas/skab333.
Effect of phytase on weanling pig performance when fed diets supplemented with pharmacological levels of Zn.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: In preparation.
The effect of spray dried plasma protein on growth performance, diarrhea scores, gut morphology, and immune parameters in nursery pigs fed a low protein diet.
Investigators: Bailey, H. M., J. M. Campbell, and H. H. Stein.
Publication: Submitted to Can. J. Anim. Sci.
Digestibility of energy and concentration of metabolizable energy in fermented soybean meal and fermented soybeans fed to weanling pigs.
Investigators: Cristobal, M., S. A. Lee, and H. H. Stein.
Publication: NA.
Effects of isoquinoline alkaloids on growth performance, blood characteristics of growing pigs fed corn-soybean meal diets formulated below amino acid requirements.
Investigators: Rundle, C. M., and H. H. Stein.
Publication: NA.
Amino acid and starch digestibility in Enogen corn hybrid fed to growing pigs.
Investigators: Rodriguez, D. A., S. A. Lee, and H. H. Stein.
Publication: NA.
Determination of PDCAAS and DIAAS for animal and plant based burgers, buns and the combination of buns and burgers.
Investigators: Fanelli, N. S., H. M. Bailey, and H. H. Stein.
Publication: Eur. J. Nutr. doi.org/10.1007/s00394-021-02658-1.
Amino acid digestibility in high-protein and conventional soybean meal fed to weanling pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effect of graded levels of phytase on digestibility of Ca and P in diets fed to lactating sows.
Investigators: Espinosa, C. D., S. A. Lee, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 308:115906 (2024). doi.org/10.1016/j.anifeedsci.2023.115906.
Digestibility of energy and concentrations of digestible and metabolizable energy in a new source of soybean meal fed to weanling pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Digestibility of energy and concentrations of digestible and metabolizable energy in two sources of hexane-extracted soybean meal fed to growing pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effect of increasing levels of phytase on phytate degradation, bone ash, plasma Ca, P, and inositol, and enzyme activity in pigs from 11 to 25 kg.
Investigators: Lagos, L. V., and H. H. Stein.
Publication: J. Anim. Sci. Biotechnol. 14:152 (2023). doi.org/10.1186/s40104-023-00953-x.
Effect of spray dried plasma (SDP) on energy, fiber, Ca, and P digestibility in diets based on different ingredient combinations fed to nursery pigs.
Investigators: Bailey, H. M., and H. H. Stein.
Publication: Transl. Anim. Sci. 7:1–11. doi.org/10.1093/tas/txad031.
Effect of increasing levels of phytase and body weight of pigs on phytate degradation and nutrient digestibility of diets fed to pigs from 25 to 130 kg.
Investigators: Lagos, L. V., M. R. Bedford, and H. H. Stein.
Publication: J. Anim. Sci. 100:1–13. doi.org/10.1093/jas/skac269.
Effects of 25-hydroxycholecalciferol (25-OH-D3) and 1-hydroxycholecalciferol (1-OH-D3) on serum bone biomarkers and calcium and phosphorus balance and concentrations on energy in diets without or with microbial phytase fed to late gestation sows.
Investigators: Lee, S. A., and H. H. Stein.
Publication: J. Anim. Sci. 100:1–8. doi.org/10.1093/jas/skac299.
Standardized total tract digestibility of phosphorus in fermented soybean meal and fermented full fat soybeans fed to weanling pigs.
Investigators: Cristobal, M., S. A. Lee, and H. H. Stein.
Publication: NA.
Optimum concentration of spray dried plasma (SDP) for growth performance, diarrhea scores, gut morphology, and blood immune parameters in weaned pigs.
Investigators: Bailey, H. M., J. M. Campbell, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. Submitted. May, 2025.
Effect of spray dried plasma (SDP) on reproductive performance, oxidative stress, and litter performance of sows subjected to heat stress and the subsequent growth performance of the pigs weaned from the sows.
Investigators: Bailey, H. M., and H. H. Stein.
Publication: J. Anim. Sci. Biotechnol. 16:13 (2025). doi.org/10.1186/s40104-024-01139-9.
Effect of increasing levels of phytase on ileal and total tract digestibility of nutrients in diets fed to young pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: In preparation.
Effects of replacing corn with hybrid rye in diets for growing and finishing pigs on growth performance and carcass characteristics.
Investigators: McGhee, M. L., and H. H. Stein.
Publication: J. Anim. Sci. 99:12, 1–8. doi.org/10.1093/jas/skab324.
Effect of corn protein on growth performance of weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Relative bioavailability by nursery pigs of Zn in a new source of Zn-glycinate.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effect of live yeast and Bacillus spp. on digestibility of energy and total dietary fiber and concentrations of digestible and metabolizable energy by growing and finishing pigs fed corn-based diets.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Amino acid digestibility in high-oil corn and conventional corn fed to growing pigs.
Investigators: Fanelli, N. S., C. D. Espinosa, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 280:115040 (2021). doi.org/10.1016/j.anifeedsci.2021.115040.
Effect of phytase on digestibility of phosphorus and energy in high-oil corn and conventional corn fed to growing pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 280:115040 (2021). doi.org/10.1016/j.anifeedsci.2021.115040.
Amino acid digestibility in corn protein and two sources of distillers dried grains with solubles (DDGS) fed to weanling pigs.
Investigators: Acosta, J. P., C. D. Espinosa, and H. H. Stein.
Publication: NA.
Amino acid digestibility in high-protein and conventional soybean meal fed to growing pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effect of supplementing spray dried plasma (SDP) to diets on a low plane of nutrition on growth performance, diarrhea scores, gut morphology, and blood immune parameters of pigs in phase-2 of nursery.
Investigators: Bailey, H. M., J. M. Campbell, and H. H. Stein.
Publication: Animals. 14:2210:1–18 (2024). doi.org/10.3390/ani14152210.
Analyzed nutrient composition of ten sources of soybeans.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Amino acid digestibility in co-products of threonine and valine fermentation fed to weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Amino acid digestibility in cheese co-product, fish meal, and enzyme treated soybean meal fed to weanling pigs.
Investigators: Mallea Ortiz, A. P., M. S. F. Oliveira, and H. H. Stein.
Publication: J. Anim. Sci. 101:1–10. doi.org/10.1093/jas/skad107.
Digestibility of energy and concentrations of digestible and metabolizable energy in co-products of threonine and valine fermentation fed to weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Digestibility of energy and concentrations of digestible and metabolizable energy in a cheese co-product, fish meal, and enzyme treated soybean meal fed to weanling pigs.
Investigators: Mallea Ortiz, A. P., M. S. F. Oliveira, and H. H. Stein.
Publication: J. Anim. Sci. 101:1–10. doi.org/10.1093/jas/skad107.
Standardized ileal digestibility of amino acids and apparent ileal digestibility of starch in hybrid rye fed to growing pigs calculated using direct, regression, or difference procedures.
Investigators: Lee, S. A., D. A. Rodriguez, and H. H. Stein.
Publication: In preparation.
Concentrations of net energy in hybrid rye fed to growing pigs calculated using direct, regression, or difference procedures.
Investigators: Lee, S. A., D. A. Rodriguez, and H. H. Stein.
Publication: In preparation.
Growth performance of weanling pigs fed diets with different inclusion levels of a cheese co-product.
Investigators: Mallea Ortiz, A. P., and H. H. Stein.
Publication: NA.
Amino acid digestibility in yeast protein fed to weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Amino acid digestibility in co-products of threonine and lysine fermentation fed to weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Digestibility of energy and concentrations of digestible and metabolizable energy in corn protein and two sources of distillers dried grains with solubles (DDGS) fed to weanling pigs.
Investigators: Acosta, J. P., C. D. Espinosa, and H. H. Stein.
Publication: NA.
Standardized ileal digestibility of amino acids in three sources of corn protein.
Investigators: Ruiz, N. C., S. A. Lee, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 313:1–9 (2024). doi.org/10.1016/j.anifeedsci.2024.115985.
Digestibility of energy and concentrations of digestible and metabolizable energy in three sources of corn protein fed to weanling pigs.
Investigators: Ruiz, N. C., S. A. Lee, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 313:1–9 (2024). doi.org/10.1016/j.anifeedsci.2024.115985.
Effects of isoquinoline alkaloids on growth performance, blood characteristics, and intestinal health of weanling pigs fed corn-soybean meal diets formulated below amino acid requirements.
Investigators: Rundle, C. M., and H. H. Stein.
Publication: NA.
Digestibility of phosphorus in corn protein and two sources of distillers dried grains with solubles (DDGS) fed to weanling pigs.
Investigators: Acosta, J. P., C. D. Espinosa, and H. H. Stein.
Publication: NA.
Evaluation of different sources of methionine in methionine deficient diets fed to finishing pigs (90–125 kg) on growth performance, feed efficiency, carcass composition, and meat quality traits.
Investigators: Dilger, A., C. L. Bradley, C. Gonzalez Vega, and H. H. Stein.
Publication: NA.
Evaluation of hydrolyzed and non-hydrolyzed bovine plasma sources compared to soycomil P in diets fed to weanling pigs.
Investigators: Espinosa, C. D., J. M. Campbell, and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 294:1–7 (2022). doi.org/10.1016/j.anifeedsci.2022.115500.
Effects of increasing calcium from deficient to adequate concentration in diets on digestibility of amino acids in pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 292:115436. doi.org/10.1016/j.anifeedsci.2022.115436.
Effects of a probiotic Bacillus strain on ileal digestibility of crude protein, amino acids, starch, and fat and total tract digestibility of energy and dietary fiber in diets fed to weanling pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: J. Anim. Sci. 100 (Suppl. 3) 118–119 (Abstr.). doi.org/10.1093/jas/skac247.228.
Determination of PDCAAS and DIAAS values in marine protein.
Investigators: Fanelli, N. S., and H. H. Stein.
Publication: NA.
Digestibility of amino acids, starch, and fiber and concentration of metabolizable energy in high-shear dry extruded corn fed to growing pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Amino acid digestibility in different sources of enzyme treated soybean meal and in conventional soybean meal fed to weanling pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effects of different watering options on net energy in diets fed to growing pigs.
Investigators: Lee, S. A., D. A. Rodriguez, and H. H. Stein.
Publication: In preparation.
Effects of increasing phytase dose at commercial phytate P level on basal endogenous loss of calcium and balance of phosphorus in pigs.
Investigators: Nelson, M., S. A. Lee, and H. H. Stein.
Publication: J. Anim. Sci. 100:1–7. doi.org/10.1093/jas/skac280.
Effects of increasing phytase dose on total tract digestibility of calcium, phosphorus, and energy in pigs.
Investigators: Lee, S. A., and H. H. Stein.
Publication: NA.
Growth performance of weanling pigs fed diets containing different sources of sugars.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Digestibility of energy and concentrations of digestible and metabolizable energy in two sources of hexane-extracted soybean meal fed to growing pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Digestibility of energy and concentrations of digestible and metabolizable energy in co-products of threonine and lysine fermentation fed to weanling pigs.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: NA.
Effects of Enogen hybrid corn on digestibility of starch and amino acids in pelleted and non-pelleted diets fed to growing pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Effects of Enogen hybrid corn on digestibility of energy and total dietary fiber in pelleted and non-pelleted diets fed to growing pigs.
Investigators: Oliveira, M. S. F., and H. H. Stein.
Publication: NA.
Growth performance of weanling pigs fed diets based on conventional corn or high-oil corn.
Investigators: Espinosa, C. D., and H. H. Stein.
Publication: Anim. Feed Sci. Technol. 280:115040 (2021). doi.org/10.1016/j.anifeedsci.2021.115040.
Amino acid digestibility in corn, corn protein and two sources of distillers dried grains with solubles (DDGS) fed to weanling pigs.
Investigators: Acosta, J. P., C. D. Espinosa, and H. H. Stein.
Publication: NA.