Stein

Effects of diet form and distillers dried grains with solubles (DDGS) on growth performance, carcass characteristics, and visceral weights of growing-finishing pigs

Overholt, M. F., J. E. Lowell, I. M. Grossman, H. H. Stein, A. C. Dilger, and D. D. Boler. 2015. Effects of diet form and distillers dried grains with solubles (DDGS) on growth performance, carcass characteristics, and visceral weights of growing-finishing pigs. J. Anim. Sci. 93(Suppl. 2):186-187 (Abstr.) Link to abstract (.pdf)

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Amino acid digestibility in rice coproducts fed to growing pigs

Casas, G. A., J. Almeida, and H. H. Stein. 2015. Amino acid digestibility in rice coproducts fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):136 (Abstr.) Link to abstract (.pdf)

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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)

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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)

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Digestibility of energy and concentrations of digestible and metabolizable energy in processed soybean and rapeseed products fed to growing pigs

Navarro, D. M. D. L., Y. Liu, T. S. Bruun, and H. H. Stein. 2015. Digestibility of energy and concentrations of digestible and metabolizable energy in processed soybean and rapeseed products fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):60 (Abstr.) Link to abstract (.pdf)

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Energy digestibility in 23 sources of distillers dried grains with solubles fed to pigs

Curry, S. M. and H. H. Stein. 2015. Energy digestibility in 23 sources of distillers dried grains with solubles fed to pigs. J. Anim. Sci. 93(Suppl. 2):59 (Abstr.) Link to abstract (.pdf)

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Effect of microbial phytase on the standardized total tract digestibility and in vitro release of phosphorus in corn, soybean meal, and rice bran fed to growing pigs

Abelilla, J. J., R. C. Sulabo, H. H. Stein, S. P. Acda, A. A. Angeles, M. C. R. Oliveros, and F. E. Merca. 2015. Effect of microbial phytase on the standardized total tract digestibility and in vitro release of phosphorus in corn, soybean meal, and rice bran fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):55 (Abstr.) Link to abstract (.pdf)

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Effects of phytase on phosphorus digestibility of rice co-products fed to growing pigs

Casas, G. A. and H. H. Stein. 2015. Effects of phytase on phosphorus digestibility of rice co-products fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):54-55 (Abstr.) Link to abstract (.pdf)

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Effect of diets formulated based on standardized total tract digestible phosphorus fed to growing pigs

Abelilla, J. J., R. C. Sulabo, H. H. Stein, S. P. Acda, A. A. Angeles, M. C. R. Oliveros, and F. E. Merca. 2015. Effect of diets formulated based on standardized total tract digestible phosphorus fed to growing pigs. J. Anim. Sci. 93(Suppl. 2):52-53 (Abstr.) Link to abstract (.pdf)

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Effect of particle size in calcium carbonate on apparent and standardized total tract digestibility and retention of calcium by growing pigs

Merriman, L. A. and H. H. Stein. 2015. Effect of particle size in calcium carbonate on apparent and standardized total tract digestibility and retention of calcium by growing pigs. J. Anim. Sci. 93(Suppl. 2):52 (Abstr.) Link to abstract (.pdf)

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Digestible calcium requirements and calcium and phosphorus balance for weanling pigs

González-Vega, J. C., C. L. Walk, and H. H. Stein. 2015. Digestible calcium requirements and calcium and phosphorus balance for weanling pigs. J. Anim. Sci. 93(Suppl. 2):51-52 (Abstr.) Link to abstract (.pdf)

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Comparative digestibility of energy and nutrients in diets fed to sows and growing pigs

Lowell, J. E., Y. Liu, and H. H. Stein. 2015. Comparative digestibility of energy and nutrients in diets fed to sows and growing pigs. Arch. Anim. Nutr. 69:79-97. Link to full text (.pdf)

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Effects of xylanase on the concentration of digestible and metabolizable energy in rice co-products fed to weaning pigs

Several co-products from rice processing can be used as animal feed. Brown rice is the whole rice grain that is left after the hull layer has been removed, leaving the germ, starchy endosperm, and bran. Rice bran is the outer brown layer of brown rice, which is removed to produce white rice. It is high in fiber, and also contains about 15% crude protein and 14 to 20% fat. Rice bran can be fed as full fat rice bran or defatted rice bran. Broken rice, or brewer's rice, consists of white rice grains that have been damaged in processing. It is high in starch and contains little fat, fiber, or protein (Table 1).

Non–starch polysaccharides (NSPs), primarily arabinoxylan and cellulose, comprise 20 to 25% of defatted rice bran. NSPs reduce nutrient absorption and energy digestibility. Addition of exogenous xylanase to wheat co-products, which also have high concentration of NSPs, may improve digestibility of energy, but there is limited information about the effects of adding exogenous xylanases to rice co-products. Therefore, an experiment was conducted to determine the effect on concentrations of digestible energy (DE) and metabolizable energy (ME) of adding exogenous xylanase to diets containing full fat rice bran (FFRB), defatted rice bran (DFRB), brown rice, or broken rice.

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Digestibility of energy and detergent fiber and digestible and metabolizable energy values in canola meal, 00-rapeseed meal, and 00-rapeseed expellers fed to growing pigs

Maison, T., Y. Liu, and H. H. Stein. 2015. Digestibility of energy and detergent fiber and digestible and metabolizable energy values in canola meal, 00-rapeseed meal, and 00-rapeseed expellers fed to growing pigs. J. Anim. Sci. 93:652-660. Link to full text (.pdf)

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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.

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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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Effects of feeding high protein or conventional canola meal on dry cured and conventionally cured bacon

Little, K. L., B. M. Bohrer, H. H. Stein, and D. D. Boler. 2015. Effects of feeding high protein or conventional canola meal on dry cured and conventionally cured bacon. Meat Sci. 103:28-38. Link to full text (.pdf)

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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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Effect of particle size in calcium carbonate on apparent and standardized total tract digestibility and retention of calcium by growing pigs

Particle size is an important consideration for some feed ingredients in pig diets. Reducing the particle size of cereal grains and soybean meal in diets fed to pigs improves digestibility of energy, amino acids, and other nutrients, because feed ground to smaller particle sizes has more surface area on which digestive enzymes can work.

The particle size of inorganic calcium sources has been shown to affect calcium retention in poultry. Particle sizes of 1.00 mm or greater are recommended to optimize calcium retention and eggshell quality in laying hens, but coarse particle sizes result in reduced calcium retention in broiler chicks.  However, little is known about the effect of particle size of calcium sources fed to pigs. Therefore, an experiment was conducted to test different particle sizes of calcium carbonate and determine which size optimizes calcium digestibility and retention by growing pigs.

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