Ongoing research projects in the Stein Monogastric Nutrition Laboratory

June 2026

Net energy of egg products fed to weanling pigs.
Investigators: Fanelli, N. S, S. A Lee, and H. H. Stein.
Expected completion: April, 2026.

Dose response of two novel enzymes on apparent ileal digestibility of amino acids by growing pigs.
Investigators: Lee, S. A., and H. H. Stein.
Expected completion: October, 2026.

Effects of 25-OH-D3 and dietary Ca and P on lactation performance, digestibility of Ca, P, and energy, milk composition, bone turnover biomarkers, blood vitamin D levels, and bone ash of piglets from lactating sows.
Investigators: Guerrero D., S. A Lee, and H. H. Stein.
Expected completion: April, 2026.

Effects of soybean hulls in diets fed to late gestating and lactating sows on lactational performance and pig growth performance.
Investigators: J. C. F. R. Martins, Lee., S. A, and H. H. Stein.
Expected completion: September, 2026.

Effects of graded levels of microbial phytase on total tract digestibility of minerals by growing pigs.
Investigators: Mallea A. P., and H. H. Stein.
Expected completion: July, 2026.

Effects of graded levels of microbial phytase on growth performance of growing pigs.
Investigators: Mallea, A. P., and H. H. Stein.
Expected completion: April, 2026.

Effect of soybean hulls on growth performance of weanling pigs.
Investigators: J. C. F. R. Martins, Lee., S. A, and H. H. Stein.
Expected completion: September, 2026.

Impact of soybean meal and casein on net energy in diets fed to growing pigs.
Investigators: Rodriguez, C. R., S. A Lee, and H. H. Stein.
Expected completion: September, 2026.

Impact of phytase on degradation of inositol phosphate, generation of inositol in ileal digesta and blood, and ileal digestibility of nutrients by growing pigs.
Investigators: Mallea, A. P., and H. H. Stein.
Expected completion: December, 2026.

Concentration of net energy in two sources of corn protein fed to group-housed pigs.
Investigators: Fanelli, N. S., Ibagon, J. A., Lee., S. A, and H. H. Stein.
Expected completion: Aug. 2026.

Impact of soybean meal and casein on standardized ileal digestibility of amino acids, and starch.
Investigators: Rodriguez, C. R., S. A Lee, and H. H. Stein.
Expected completion: September, 2026.

Effect of inulosucrase on nutrient digestibility in diets fed to growing pigs.
Investigators: Ibagon, J. A., and H. H. Stein.
Expected completion: August, 2026.

Impact of limestone source and dietary phytate on digestibility of Ca.
Investigators: Mudarra, R., and H. H. Stein.
Expected completion: August, 2026.

Growth performance of weanling pigs fed diets supplemented with coated or uncoated proteases.
Investigators: Lee, S. A, and H. H. Stein.
Expected completion: August, 2026.

Ileal digestibility of amino acids  in brewers yeast.
Investigators: Cristobal, M., and H. H. Stein.
Expected completion: September, 2026.