Hans H. Stein

Clostridium butyricum, Direct-fed microbials, Growth performance, Intestinal morphology, microbiota, Pigs

Read more about Comparative digestibility of energy, dry matter, and nutrients by gestating and lactating sows fed corn–soybean meal diets without or with full-fat or defatted rice bran

Inclusion of the direct-fed microbial Clostridium butyricum in diets for weanling pigs increases growth performance and tends to increase villus height and crypt depth, but does not change intestinal microbial abundance

Casas, Gloria A., Laia Blavi, Tzu-Wen L. Cross, Anne H. Lee, Kelly S. Swanson, and Hans H. Stein. 2020. Inclusion of the direct-fed microbial Clostridium butyricum in diets for weanling pigs increases growth performance and tends to increase villus height and crypt depth, but does not change intestinal microbial abundance. Journal of Animal Science, 2020, 1–12. doi:10.1093/jas/skz372.

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Casas, Blavi, Cross, Lee, Swanson, Stein

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Read more about Inclusion of the direct-fed microbial Clostridium butyricum in diets for weanling pigs increases growth performance and tends to increase villus height and crypt depth, but does not change intestinal microbial abundance

Rice coproducts may replace other cereals without negative impact

Casas, G. A., and H. H. Stein. 2017. Rice coproducts may replace other cereals without negative impact. National Hog Farmer, Online edition, November 30, 2017. Link to full text.

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Rice, Rice coproducts, cereals, Feed, Pigs

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Extension Reports and other non-refereed publications

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Optimising soy protein concentrate use in pig diets

Huang, C., H. H. Stein, and G. A. Casas. 2016. Optimising soy protein concentrate use in pig diets. Pages 32-33 in Pig Progress, July 2016. Link to full text (.pdf)

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Soy protein concentrate, Amino acid digestibility, Digestible energy, Metabolizable energy

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Huang, Stein, Casas

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Extension Reports and other non-refereed publications

SPC for piglets: Performance and immunity

Sugui P., H. H. Stein and G. A. Casas. 2016. SPC for piglets: Performance and immunity. Pig Progress, March 2016. Link to full text.

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Feed, Performance, pig

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Sugui, Stein, Casas

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Extension Reports and other non-refereed publications

Increasing levels of microbial phytase increases the digestibility of energy and minerals in diets fed to pigs

Arredondo Mónica A., Gloria A. Casas, Hans H. Stein. 2019. Increasing levels of microbial phytase increases the digestibility of energy and minerals in diets fed to pigs. Anim. Feed Sci. Technol. 248: 27 - 36. Link to full text.

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Calcium, Minerals, Digestibility, Phytase, Phosphorus, Pigs

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Arredondo, Casas, Stein

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Carbohydrates, Composition, In vitro digestibility, Rice coproducts

Arabinoxylan is the main polysaccharide in fiber from rice coproducts, and increased concentration of fiber decreases in vitro digestibility of dry matter

Casas Gloria A., Helle N. Lærke, Knud E. Bach Knudsen, Hans H. Stein. 2019. Arabinoxylan is the main polysaccharide in fiber from rice coproducts, and increased concentration of fiber decreases in vitro digestibility of dry matter. Anim. Feed Sci. Technol. 247: 255 - 261. Link to full text.

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Casas, Lærke, Knudsen, Stein

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Calcium digestibility, Phosphorus digestibility, Phytase, Pregnant sows

The level of feed intake does not influence digestibility of calcium and phosphorus in diets fed to gestating sows, but gestating sows have reduced digestibility of calcium and phosphorus compared with growing gilts

Lee, S. A., G. A. Casas, and H. H. Stein. 2018. The level of feed intake does not influence digestibility of calcium and phosphorus in diets fed to gestating sows, but gestating sows have reduced digestibility of calcium and phosphorus compared with growing gilts. Can. J. Anim. Sci. 98:591-594. Link to abstract

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LeeSA, Casas, Stein

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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)

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

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

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Ileal digestibility of amino acids in selected feed ingredients fed to young growing pigs

Casas, G. A., N. W. Jaworski, J. K. Htoo, and H. H. Stein. 2018. Ileal digestibility of amino acids in selected feed ingredients fed to young growing pigs. J. Anim. Sci. 96:2361–2370. Link to abstract

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Amino acid digestibility, Rice bran, Peanut meal, 00-rapeseed meal, 00-rapeseed expellers, Soybean expellers, Cassava meal, Bakery meal

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Casas, Jaworski, Htoo, Stein

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Rice bran, Growth performance, Carcass characteristics

Effects of full fat rice bran and defatted rice bran on growth performance and carcass characteristics of growing-finishing pigs

Casas, G. A., M. F. Overholt, A. C. Dilger, D. D. Boler, and H. H. Stein. 2018. Effects of full fat rice bran and defatted rice bran on growth performance and carcass characteristics of growing-finishing pigs. J. Anim. Sci. 96:2293–2309. Link to abstract

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Casas, Overholt, Dilger, Boler, Stein

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Energy digestibility, Dry matter digestibility, Amino acid digestibility, Fiber digestibility, Wheat middlings, Red dog

Chemical composition and digestibility of energy, dry matter, amino acids, and fiber in wheat middlings and red dog fed to growing pigs

Casas, G. A., D. A. Rodriguez, and H. H. Stein. 2018. Chemical composition and digestibility of energy, dry matter, amino acids, and fiber in wheat middlings and red dog fed to growing pigs. J. Anim. Sci. 96(Suppl. 2):175-176 (Abstr.) Link to abstract (.pdf)

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Casas, Rodriguez, Stein

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Rice bran, Inclusion rate, Growth performance, Carcass quality

Effects of different levels of full fat rice bran or defatted rice bran on growth performance and carcass quality of pigs

Casas, G. A. and H. H. Stein. 2018. Effects of different levels of full fat rice bran or defatted rice bran on growth performance and carcass quality of pigs. J. Anim. Sci. 96(Suppl. 2):174-175 (Abstr.) Link to abstract (.pdf)

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Rice bran, Amino acid digestibility, Digestible energy, Metabolizable energy, Phosphorus digestibility, Growth performance

Young Scholar Presentation: Nutritional value of rice coproducts fed to pigs

Casas, G. A. and H. H. Stein. 2018. Young Scholar Presentation: Nutritional value of rice coproducts fed to pigs. J. Anim. Sci. 96(Suppl. 2):143 (Abstr.) Link to abstract (.pdf)

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Wheat middlings, Red dog, Energy digestibility, Dry matter digestibility, Organic matter digestibility, Fiber digestibility, Digestible energy, Metabolizable energy

Nutrient composition and digestibility of energy and nutrients in wheat middlings and red dog fed to growing pigs

Casas, G. A., D. A. Rodriguez, and H. H. Stein. 2018. Nutrient composition and digestibility of energy and nutrients in wheat middlings and red dog fed to growing pigs. J. Anim. Sci. 96:215-224. Link to full text

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Casas, Rodriguez, Stein

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Rice bran, Growth performance, Carcass characteristics, Meat quality, Fat quality

Effects of different levels of full fat or defatted rice bran on growth performance and carcass quality of pigs

Rice bran is the main coproduct of the production of white rice for human consumption, and is used in livestock diets around the world. Rice bran can be full fat (FFRB), with 14 to 25% fat, or defatted (DFRB), containing 3 to 5% fat.

The type of fat in the diet affects the quality of fat in the pig, because pigs deposit fatty acids in approximately the same proportions as they exist in the diet. A high consumption of unsaturated fat can inhibit the pig's own synthesis of fat, which tends to be more saturated. The amount of unsaturated fatty acids in fat can be expressed using the iodine value (IV), where high IVs correspond to more unsaturated fat. Increased IV in pig fat can lead to softer bellies, which are less valuable due to reduced shelf life, increased susceptibility to oxidative damage, and reduced belly sliceability.

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Research Reports

Read more about Effects of different levels of full fat or defatted rice bran on growth performance and carcass quality of pigs

Gestating sows have greater digestibility of energy in full fat rice bran and defatted rice bran than growing gilts regardless of level of feed intake

Casas, G. A. and H. H. Stein. 2017. Gestating sows have greater digestibility of energy in full fat rice bran and defatted rice bran than growing gilts regardless of level of feed intake. J. Anim. Sci. 95:3136-3142. Link to full text (.pdf)

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Rice bran, Digestible energy, Metabolizable energy, Gestation, Growing gilts

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Amino acid digestibility, Red dog, Wheat middlings

The ileal digestibility of most amino acids is greater in red dog than in wheat middlings when fed to growing pigs

Casas, G. A. and H. H. Stein. 2017. The ileal digestibility of most amino acids is greater in red dog than in wheat middlings when fed to growing pigs. J. Anim. Sci. 95:2718-2725. Link to full text (.pdf)

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Soy protein concentrate, Particle size, Amino acid digestibility, Metabolizable energy, Growth performance

Effect of particle size of soy protein concentrate on amino acid digestibility and concentration of metabolizable energy and effects of soy protein concentrate on growth performance of weanling pigs

Casas, G. A., C. Huang, and H. H. Stein. 2017. Effect of particle size of soy protein concentrate on amino acid digestibility and concentration of metabolizable energy and effects of soy protein concentrate on growth performance of weanling pigs. J. Anim. Sci. 95(Suppl. 5):148 (Abstr.) Link to abstract (.pdf)

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Casas, Huang, Stein

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Energy digestibility, Nutrient digestibility, Digestible energy, Metabolizable energy, Rice bran

Effects of feeding level and physiological stage on digestibility of gross energy and nutrients and concentration of digestible and metabolizable energy in full fat rice bran and defatted rice bran fed to gestating sows and growing gilts

Casas, G. A. and H. H. Stein. 2017. Effects of feeding level and physiological stage on digestibility of gross energy and nutrients and concentration of digestible and metabolizable energy in full fat rice bran and defatted rice bran fed to gestating sows and growing gilts. J. Anim. Sci. 95(Suppl. 5):78 (Abstr.) Link to abstract (.pdf)

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