Hans H. Stein

Processing of ingredients and diets and effects on nutritional value for pigs

Rojas, O. J. and H. H. Stein. 2017. Processing of ingredients and diets and effects on nutritional value for pigs. J. Anim. Sci. Biotechnol. 8:48. Link to full text

Keywords:

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

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Use of feed technology to improve the nutritional value of feed ingredients

Rojas, O. J. and H. H. Stein. 2016. Use of feed technology to improve the nutritional value of feed ingredients. Anim. Prod. Sci. 56:1312-1316. Link to full text (.pdf)

Keywords:

Pelleting, Extrusion, Dietary fiber, Energy digestibility, Digestible energy, Metabolizable energy, Particle size, Growth performance

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Effects of feed processing on the nutritional value of feed ingredients or diets fed to pigs

Rojas, O. J. and H. H. Stein. 2016. Effects of feed processing on the nutritional value of feed ingredients or diets fed to pigs. Pages 33-49 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

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Digestible energy, Metabolizable energy, Distillers dried grains with solubles

Concentration of digestible and metabolizable energy and digestibility of energy and nutrients by growing pigs in distillers dried grains with solubles produced in and around Illinois

Curry, S. M., O. J. Rojas, and H. H. Stein. 2016. Concentration of digestible and metabolizable energy and digestibility of energy and nutrients by growing pigs in distillers dried grains with solubles produced in and around Illinois. Prof. Anim. Sci. 32:687-694. Link to full text (.pdf)

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Authors:

Curry, Rojas, Stein

Publication Type:

Pelleting, Extrusion, Dietary fiber, Digestible energy, Metabolizable energy, Amino acid digestibility, Fiber digestibility

Effects of pelleting, extrusion, or extrusion and pelleting on energy and nutrient digestibility in diets containing different levels of fiber and fed to growing pigs

Rojas, O. J., E. Vinyeta, and H. H. Stein. 2016. Effects of pelleting, extrusion, or extrusion and pelleting on energy and nutrient digestibility in diets containing different levels of fiber and fed to growing pigs. J. Anim. Sci. 94:1951-1960. Link to full text (.pdf)

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Authors:

Rojas, Vinyeta, Stein

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Particle size, Corn, Growth performance, Carcass characteristics

Effects of particle size of yellow dent corn on physical characteristics of diets and growth performance and carcass characteristics of growing–finishing pigs

Rojas, O. J., Y. Liu, and H. H. Stein. 2016. Effects of particle size of yellow dent corn on physical characteristics of diets and growth performance and carcass characteristics of growing–finishing pigs. J. Anim. Sci. 94:619-628. Link to full text (.pdf)

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Authors:

Rojas, Liu, Stein

Publication Type:

Digestible energy, Metabolizable energy, Amino acid digestibility, Canola meal, High protein canola meal, Soybean meal

Energy concentration and amino acid digestibility in high protein canola meal, conventional canola meal, and in soybean meal fed to growing pigs

Liu, Y., N. W. Jaworski, O. J. Rojas, and H. H. Stein. 2016. Energy concentration and amino acid digestibility in high protein canola meal, conventional canola meal, and in soybean meal fed to growing pigs. J. Anim. Feed Sci. Technol. 212:52-62. Link to full text (.pdf)

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Authors:

Liu, Jaworski, Rojas, Stein

Publication Type:

Use of feed technology to improve the nutritional value of feed ingredients

Rojas, O. J. and H. H. Stein. 2015. Use of feed technology to improve the nutritional value of feed ingredients. Page 23 in Advances in Animal Nutrition in Australia, Armidale, New South Wales, Australia, October 26-28, 2015. (Abstr.) Link to abstract (.pdf)

Keywords:

Particle size, Corn, Growth performance, Extrusion, Pelleting, Digestible energy, Metabolizable energy

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Publication Type:

Particle size, Corn, Digestible energy, Metabolizable energy, Starch digestibility, Amino acid digestibility, Phosphorus digestibility

Effects of reducing the particle size of corn grain on the concentration of digestible and metabolizable energy and on the digestibility of energy and nutrients in corn grain fed to growing pigs

Rojas, O. J. and H. H. Stein. 2015. Effects of reducing the particle size of corn grain on the concentration of digestible and metabolizable energy and on the digestibility of energy and nutrients in corn grain fed to growing pigs. Livest. Sci. 181:187-193. Link to full text (.pdf)

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Distillers dried grains with solubles, Soybean hulls, Dietary fiber, Pelleting, Extrusion, Energy digestibility

Effects of pelleting and extrusion on energy digestibility in pig diets containing different levels of fiber

Rojas, O. J., E. Vinyeta, and H. H. Stein. 2015. Effects of pelleting and extrusion on energy digestibility in pig diets containing different levels of fiber. J. Anim. Sci. 93(Suppl. s3):227-228 (Abstr.) Link to abstract (.pdf)

Keywords:

Authors:

Rojas, Vinyeta, Stein

Publication Type:

Amino acid digestibility, Soybean meal, Digestible energy, Canola meal, Metabolizable energy, High protein canola meal

Energy concentration and amino acid digestibility in high-protein canola meal, conventional canola meal, and soybean meal fed to growing pigs

Berrocoso, J. D., O. J. Rojas, Y. Liu, J. Shoulders, J. C. González-Vega, and H. H. Stein. 2015. Energy concentration and amino acid digestibility in high-protein canola meal, conventional canola meal, and soybean meal fed to growing pigs. J. Anim. Sci. 93:2208-2217. Link to full text (.pdf)

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Authors:

Shoulders, Rojas, González-Vega, Berrocoso, Liu, Stein

Publication Type:

Protein digestibility, Distillers dried grains with solubles, Energy digestibility, Corn, Extrusion, Digestible energy, Metabolizable energy, Fiber digestibility, Sodium hydroxide, Calcium oxide

Effects of chemical, physical, or enzymatic treatments on concentration of digestible and metabolizable energy and on ATTD of energy, organic matter, and detergent fiber in distillers dried grains with solubles fed to growing pigs

Rojas, O. J. and H. H. Stein. 2015. Effects of chemical, physical, or enzymatic treatments on concentration of digestible and metabolizable energy and on apparent total tract digestibility of energy, organic matter, and detergent fiber in distillers dried grains with solubles fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):135 (Abstr.) Link to abstract (.pdf)

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Effects of extrusion of corn and oats on the digestibility of energy and nutrients in diets fed to pigs

Liu, Y., O. J. Rojas, and H. H. Stein. 2015. Effects of extrusion of corn and oats on the digestibility of energy and nutrients in diets fed to pigs. J. Anim. Sci. 93(Suppl. 2):134-135 (Abstr.) Link to abstract (.pdf)

Keywords:

Protein digestibility, Energy digestibility, Corn, Extrusion, Oats, Digestible energy, Metabolizable energy, Fiber digestibility

Authors:

Rojas, Liu, Stein

Publication Type:

Use of feed technology to improve the nutritional value of feed ingredients feed to pigs

Rojas, O. J. and H. H. Stein. 2015. Use of feed technology to improve the nutritional value of feed ingredients fed to pigs. J. Anim. Sci. 93(Suppl. 2):61 (Abstr.) Link to abstract (.pdf)

Keywords:

Extrusion, Enzymes, Particle size

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Publication Type:

Feed costs, Feed conversion, Particle size

Impact of particle size reduction on feed cost and feed efficiency

Rojas, O. J. and H. H. Stein. 2015. Impact of particle size reduction on feed cost and feed efficiency. Pages 207-227 in Proc. Banff Pork Seminar, Banff, AB, Canada, Jan. 20-22, 2015. Link to full text (.pdf)

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Energy digestibility, Extrusion, Pelleting

Effects of extrusion and pelleting on energy and nutrient digestibility in diets fed to pigs

Rojas, O. J. 2014. Effects of extrusion and pelleting on energy and nutrient digestibility in diets fed to pigs. Page 159 in XXX Curso de Especializacion FEDNA, Madrid, November 5-6, 2014. (Abstr.) Link to abstract (.pdf)

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Rojas

Publication Type:

Fish meal, Fermented soybean meal, Chicken meal, Poultry by-product meal

Effects of replacing fish, chicken, or poultry by-product meal with fermented soybean meal in diets fed to weanling pigs

Rojas, O. J. and H. H. Stein. 2015. Effects of replacing fish, chicken, or poultry by-product meal with fermented soybean meal in diets fed to weanling pigs. Rev. Colomb. Cienc. Pecu. 28:22-41. Link to full text (.pdf)

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Effects of pelleting and extrusion on energy and nutrient digestibility in diets fed to pigs

Pelleting and extrusion are technologies that have been used in livestock feeding to improve nutrient digestibility and feed conversion. Recent research concluded that reduced performance of pigs fed diets containing high concentrations of fiber was ameliorated if the diets were pelleted. Extrusion is also of benefit in high fiber diets, because it may increase the solubility of dietary fiber. It is possible that the benefits of extrusion and pelleting are greater in high fiber diets than in low fiber diets, but this hypothesis has not been investigated. Therefore, an experiment was conducted to determine effects of extrusion and pelleting on energy and nutrient digestibility in diets containing low, medium, or high concentrations of fiber.

Keywords:

Extrusion, Pelleting

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