Hans H. Stein

Read more about 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

Effects of D‐methionine compared with L-methionine on N retention, gut morphology and antioxidant status of weaned pigs

Htoo, John K., John Mathai, Laia Blavi, Yanhong Liu, Caroline González-Vega, Hans H. Stein. 2020. Effects of D‐methionine compared with L-methionine on N retention, gut morphology and antioxidant status of weaned pigs. J. Anim. Sci. 98(Suppl. 3): 73. doi.org/10.1093/jas/skaa054.130. (Abstr.). Link to abstract.

Keywords:

D-methionine, L-methionine, weaned pigs

Authors:

Htoo, Mathai, Blavi, Liu, González-Vega, Stein

Publication Type:

Amino acids, digestible indispensable amino acid scores, protein quality, Digestibility, beef

Most meat products have digestible indispensable amino acid scores that are greater than 100, but processing may increase or reduce protein quality

Bailey, Hannah M., John K. Mathai, Eric P. Berg, and Hans H. Stein. 2020. Most meat products have digestible indispensable amino acid scores that are greater than 100, but processing may increase or reduce protein quality. British Journal of Nutrition (2020), 124, 14–22. doi:10.1017/S0007114520000641. Link to full text.

Keywords:

Authors:

Bailey, Mathai, Berg, Stein

Publication Type:

Pork Products Have Digestible Indispensable Amino Acid Scores (DIAAS) That Are Greater Than 100 When Determined in Pigs, but Processing Does Not Always Increase DIAAS

Bailey, Hannah M., John K. Mathai, Eric P. Berg, and Hans H. Stein. 2020. Pork Products Have Digestible Indispensable Amino Acid Scores (DIAAS) That Are Greater Than 100 When Determined in Pigs, but Processing Does Not Always Increase DIAAS. The Journal of Nutrition. Nutrient Physiology, Metabolism, and Nutrient-Nutrient Interactions. doi: https://doi.org/10.1093/jn/nxz284.

Keywords:

Amino Acid, Digestible indispensable amino acid score, protein quality, Digestibility, pork, meat processing, pig model

Authors:

Bailey, Mathai, Berg, Stein

Publication Type:

Read more about Pork Products Have Digestible Indispensable Amino Acid Scores (DIAAS) That Are Greater Than 100 When Determined in Pigs, but Processing Does Not Always Increase DIAAS

Amino acid digestibility in six sources of meat and bone meal, blood meal, and soybean meal fed to growing pigs

Navarro D.M.D.L., J.K. Mathai, N.W. Jaworski, H.H. Stein. 2018. Amino acid digestibility in six sources of meat and bone meal, blood meal, and soybean meal fed to growing pigs. Can. J. Anim. Sci. 98: 860–867. Link to full text.

Keywords:

Amino acids, Blood meal, Digestibility, Meat and bone meal, Pigs

Authors:

Navarro, Mathai, Jaworski, Stein

Publication Type:

Non-antibiotic feed additives in diets for pigs: A review

Yanhong Liu, Charmaine D. Espinosa, Jerubella J. Abelilla, Gloria A. Casas, L. Vanessa Lagos, Su A. Lee, Woong B. Kwon, John K. Mathai, Diego M.D.L. Navarro, Neil W. Jaworski, Hans H. Stein. 2018. Non-antibiotic feed additives in diets for pigs: A review. Anim. Nutr. 4:113-125. Link to full text (.pdf)

Keywords:

Acidifiers, Direct-fed microbials, Minerals, Plant extracts, Prebiotics

Authors:

Yanhong, Espinosa, Abelilla, Casas, Lagos, LeeSA, Kwon, Mathai, Navarro, Jaworski, Stein

Publication Type:

Heat treatment, Digestible energy, Metabolizable energy, Amino acid digestibility, Soybean meal

Effects of various heat treatments on concentrations of digestible and metabolizable energy and on amino acid digestibility in soybean meal fed to growing pigs

Mathai, J. K., J. K. Htoo, M. Wiltafsky, and H. H. Stein. 2018. Effects of various heat treatments on concentrations of digestible and metabolizable energy and on amino acid digestibility in soybean meal fed to growing pigs. J. Anim. Sci. 96(Suppl. 2):25-26 (Abstr.) Link to abstract (.pdf)

Keywords:

Authors:

Mathai, Htoo, Wiltafsky, Stein

Publication Type:

Protein digestibility, Digestible indispensable amino acid score

Values for digestible indispensable amino acid scores (DIAAS) for some dairy and plant proteins may better describe protein quality than values calculated using the concept for protein digestibility-corrected amino acid scores (PDCAAS)

Mathai, J. K., Y. Liu, and H. H. Stein. 2017. Values for digestible indispensable amino acid scores (DIAAS) for some dairy and plant proteins may better describe protein quality than values calculated using the concept for protein digestibility-corrected amino acid scores (PDCAAS). Brit. J. Nutr. 117:490-499. Link to full text (.pdf)

Keywords:

Authors:

Mathai, Liu, Stein

Publication Type:

Effects of high neutral detergent fiber diets on the nitrogen balance of pigs fed threonine-limited diets

Mathai, J. K., H. L. Spangler, H. H. Stein, and K. J. Touchette. 2017. Effects of high neutral detergent fiber diets on the nitrogen balance of pigs fed threonine-limited diets. J. Anim. Sci. 95(Suppl. 5):136 (Abstr.) Link to abstract (.pdf)

Keywords:

Dietary fiber, Threonine

Authors:

Mathai, Spangler, Stein, Touchette

Publication Type:

Non-antibiotic feed additives in diets for pigs

Liu, Y., D. Espinosa, J. J. Abelilla, G. A. Casas, L. V. Lagos, S. A. Lee, W. B. Kwon, J. K. Mathai, D. M.D. L. Navarro, N. W. Jaworski, and H. H. Stein. 2016. Non-antibiotic feed additives in diets for pigs. Pages 263-281 in Proceedings of the 2016 Chinese Swine Industry Symposium, Shanghai, China, October 20-21, 2016. Link to full text (.pdf)

Keywords:

Extrusion, Pelleting, Particle size, Sodium hydroxide, Ammonia, Calcium oxide, Calcium hydroxide, Enzymes

Authors:

Liu, Espinosa, Abelilla, Casas, Lagos, LeeSA, Kwon, Mathai, Navarro, Jaworski, Stein

Publication Type:

Conference proceedings

Effects of dietary fiber on the ideal standardized ileal digestible threonine:lysine ratio for twenty-five to fifty kilogram growing gilts

Mathai, J. K, J. K. Htoo, J. E. Thomson, K. J. Touchette, and H. H. Stein. 2016. Effects of dietary fiber on the ideal standardized ileal digestible threonine:lysine ratio for twenty-five to fifty kilogram growing gilts. J. Anim. Sci. 94:4217-4230. Link to full text (.pdf)

Keywords:

Dietary fiber, Threonine, Lysine

Authors:

Mathai, Htoo, Thomson, Touchette, Stein

Publication Type:

Digestible indispensable amino acid score

Use of the pig to determine digestible indispensable amino acid scores (DIAAS) in human foods

Stein, H. H., and J. K. Mathai. 2016. Use of the pig to determine digestible indispensable amino acid scores (DIAAS) in human foods. Proc. 5th Intl. Symp. Energy and Protein. Krakow, Poland, Sep. 12 to 15, 2016.

Keywords:

Authors:

Stein, Mathai

Publication Type:

Conference proceedings

Amino acid digestibility in dairy proteins compared with plant proteins

Mathai, J. K., Y. Liu, and H. H. Stein. 2016. Amino acid digestibility in dairy proteins compared with plant proteins. J. Anim. Sci. 94(Suppl. 2):104 (Abstr.) Link to abstract (.pdf)

Keywords:

Amino acid digestibility, Whey protein isolate, Whey protein concentrate, Milk protein concentrate, Skim milk powder, Pea protein isolate, Soy protein isolate, Soy flour, Wheat

Authors:

Mathai, Liu, Stein

Publication Type:

Effects of dietary fiber on the optimum threonine:lysine ratio for 25- to 50-kg gilts

Mathai, J. K., J. K. Htoo, J. Thomson, K. J. Touchette, and H. H. Stein. 2015. Effects of dietary fiber on the optimum threonine:lysine ratio for 25- to 50-kg gilts. J. Anim. Sci. 93(Suppl. s3):298 (Abstr.) Link to abstract (.pdf)

Keywords:

Dietary fiber, Threonine, Lysine

Authors:

Mathai, Htoo, Thomson, Touchette, Stein

Publication Type:

Effects of fiber on the optimal threonine:lysine ratio for 25 to 50 kg growing gilts

Use of high-fiber, low-cost ingredients, such as co-products from grain processing industries, in swine diets is increasing. Pigs fed diets containing high levels of fiber have increased intestinal mass due to increased amount of microbial fermentation in the hindgut. Therefore, they also have increased endogenous loss of amino acids in the form of mucins, the proteins that line the intestinal tract. The abrasiveness of fiber stimulates the secretion of mucins as well. These factors may cause the threonine requirement to be increased in high fiber diets, because threonine is present in large amounts in mucins. Therefore, an experiment was conducted to determine the effects of dietary fiber on the optimum threonine:lysine ratio (Thr:Lys) in 25 to 50 kg growing gilts.

Keywords:

Lysine, Threonine, Ideal protein, Dietary fiber

Authors:

Publication Type:

Research Reports

Read more about Effects of fiber on the optimal threonine:lysine ratio for 25 to 50 kg growing gilts

Estimation of the requirement for standardized ileal digestible lysine in 25 to 50 kg gilts

Lysine is the first limiting amino acid in swine diets based on corn and soybean meal. Lysine requirements for pigs are affected by growth rate and lean deposition rate, which in turn are affected by sex, genetics, age, and other factors. An experiment was conducted to determine the requirement for standardized ileal digestible (SID) lysine in 25 to 50 kg growing gilts.

Keywords:

Lysine

Authors:

Publication Type:

Research Reports

Read more about Estimation of the requirement for standardized ileal digestible lysine in 25 to 50 kg gilts

Amino acid digestibility in field peas, fish meal, corn, soybean meal, and soybean hulls

Mathai, J. K. and H. H. Stein. 2014. Amino acid digestibility in field peas, fish meal, corn, soybean meal, and soybean hulls. J. Anim. Sci 92(E-Suppl. 2):648 (Abstr.) Link to abstract (.pdf)

Keywords:

Amino acid digestibility, Field peas, Soybean meal, Corn, Soybean hulls, Fish meal

Authors:

Publication Type:

Estimated lysine requirement of 25 to 50 kg growing gilts

Mathai, J. K. and H. H. Stein. 2014. Estimated lysine requirement of 25 to 50 kg growing gilts. J. Anim. Sci 92(E-Suppl. 2):218-219 (Abstr.) Link to abstract (.pdf)

Keywords:

Lysine

Authors:

Publication Type:

Amino acid digestibility, Distillers dried grains with solubles, Phosphorus digestibility, Digestible energy, Metabolizable energy, Peptone 50, PEP2, Porcine mucosa

Nutritional value of dried fermentation biomass, hydrolyzed porcine intestinal mucosa products, and fish meal fed to weanling pigs

Sulabo, R. C., J. K. Mathai, J. L. Usry, B. W. Ratliff, D. M. McKilligan, J. D. Moline, G. Xu, and H. H. Stein. 2013. Nutritional value of dried fermentation biomass, hydrolyzed porcine intestinal mucosa products, and fish meal fed to weanling pigs. J. Anim. Sci. 91:2802-2811. Link to full text (.pdf)

Keywords:

Authors:

Mathai, Ratliff, McKilligan, Moline, Xu, Stein, Usry, Sulabo

Publication Type:

Growth performance, Phosphorus digestibility, Phytase, Bone ash

Effects of including microbial phytase in diets fed to pigs and broilers

Lowell, J. E., M. Song, J. K. Mathai, and H. H. Stein. 2013. Effects of including microbial phytase in diets fed to pigs and broilers. J. Anim. Sci. 91(Suppl. 2):121 (Abstr.) Link to abstract (.pdf)

Keywords:

Authors:

Mathai, Lowell, Stein, Song

Publication Type: