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Stein Nutrition Newsletter, March 2017
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              March 2017

Welcome

Welcome to the Stein Nutrition Newsletter! In this issue, you will find some of the work our lab has produced in the previous month. For more information, please visit our website at http://nutrition.ansci.illinois.edu.

In This Issue

• Research report: Chemical composition and physicochemical characteristics of feed ingredients and effects on in vitro ileal and total tract digestibility of dry matter
• Podcast: Chemical composition and amino acid digestibility in soybean meal produced in the United States, China, Argentina, Brazil, or India
• Press release: Supplemental fat not necessary when canola meal is fed to weanling pigs
• New publications from the Stein Monogastric Nutrition Laboratory

Research report: Chemical composition and physicochemical characteristics of feed ingredients and effects on in vitro ileal and total tract digestibility of dry matter

The chemical composition and structure of dietary fiber, as well as physicochemical characteristics such as bulk density, swelling, water binding capacity, and viscosity, may influence the digestion of energy and nutrients in feed ingredients. Having a complete account of the components of a feed ingredient, particularly the type and concentration of fiber, is necessary in order to accurately the energy value of an ingredient using prediction equations.

An experiment was conducted to obtain a detailed description of the composition of ten feed ingredients, and to compare the analyzed gross energy (GE) with the GE predicted by adding together the measured energy-containing components. A secondary objective was to measure the in vitro apparent total tract digestibility (IVATTD) and in vitro apparent ileal digestibility (IVAID) of dry matter (DM) and organic matter (OM) in the feed ingredients, and to determine the correlations between the physicochemical characteristics of the ingredients and the in vitro digestibility.

(Read more ...)

Podcast: Chemical composition and amino acid digestibility in soybean meal produced in the United States, China, Argentina, Brazil, or India

Vanessa Lagos, Ph. D. student in the Stein Monogastric Nutrition Laboratory, presents her research into differences in concentrations and digestibility of amino acids among the top five soybean meal producing countries, as well as variations within countries. Adapted from a presentation at the 2017 ASAS Midwestern Section meeting, Omaha, NE, March 13-15.

(Watch or download)

Press release: Supplemental fat not necessary when canola meal is fed to weanling pigs

URBANA, Ill. – New research from the University of Illinois shows that adding supplemental dietary fat is not necessary to avoid reduced growth performance when replacing soybean meal with canola meal in diets fed to weanling pigs.

Canola meal contains more protein than most plant ingredients, and can be used in place of soybean meal in pig diets. High protein canola meal is produced from canola varieties that have been selectively bred to have thinner seed coats, and contains less fiber than conventional canola meal.

(Read more ...)

New publications from the Stein Monogastric Nutrition Laboratory

Jaworski, N. W. and H. H. Stein. 2017. Disappearance of nutrients and energy in the stomach and small intestine, cecum, and colon of pigs fed corn-soybean meal diets containing distillers dried grains with solubles, wheat middlings, or soybean hulls. J. Anim. Sci. 95:727-739.

Sotak-Peper, K. M., J. C. González-Vega, and H. H. Stein. 2017. Amino acid digestibility in soybean meal sourced from different regions of the United States and fed to pigs. J. Anim. Sci. 95:771-778.

Kim, B. G., Y. Liu, and H. H. Stein. 2017. Effects of ileal digesta collection time on standardized ileal digestibility of amino acids in corn, soybean meal, and distiller’s dried grains with solubles fed to growing pigs. J. Anim. Sci. 95:789-798.

Casas, G. A., C. Huang, and H. H. Stein. 2017. Nutritional value of soy protein concentrate ground to different particle sizes and fed to pigs. J. Anim. Sci. 95:827-836.

Blavi, L., Sola-Oriol, D. Pérez, J. F., and H. H. Stein. 2017. Effects of zinc oxide and microbial phytase on digestibility of calcium and phosphorus in maize-based diets fed to growing pigs. J. Anim. Sci. 95:847-854.

Long, C. J., H. H. Stein, and T. L. Felix. 2017. Effects of exogenous phytase supplementation and dietary phosphorus concentration on metabolism and digestibility of beef cattle. J. Anim. Sci. 95(Suppl. 5):52 (Abstr.)

Lowell, J. E., B. M. Bohrer, K. B. Wilson, M. F. Overholt, B. N. Harsh, H. H. Stein, A. C. Dilger, and D. D. Boler. 2017. Fresh belly characteristics and commercial bacon slicing yield in growing-finishing pigs fed an antibiotic-free diet or a diet supplemented with a natural antimicrobial. J. Anim. Sci. 95(Suppl. 5):65 (Abstr.)

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.)

Blavi, L., D. Solà-Oriol, J. F. Pérez, and H. H. Stein. 2017. Effects of zinc oxide and microbial phytase on standardized total tract digestibility of calcium in maize-based diets fed to growing pigs. J. Anim. Sci. 95(Suppl. 5):85 (Abstr.)

Navarro, D. M. D. L., E. M. A. M. Bruininx, L. de Jong, and H. H. Stein. 2017. Chemical composition and physicochemical characteristics of feed ingredients and effects on in vitro ileal and total tract digestibility of dry matter. J. Anim. Sci. 95(Suppl. 5):89-90 (Abstr.)

Navarro, D. M. D. L., E. M. A. M. Bruininx, L. de Jong, and H. H. Stein. 2017. Effects of physicochemical characteristics of feed ingredients on total tract digestibility of dry matter, energy, fiber, and protein by growing pigs. J. Anim. Sci. 95(Suppl. 5):90 (Abstr.)

Lagos, L. V. and H. H. Stein. 2017. Chemical composition and amino acid digestibility of soybean meal produced in the United States, China, Argentina, Brazil, or India. J. Anim. Sci. 95(Suppl. 5):93 (Abstr.)

Yoder, A. D., M. B. Muckey, C. R. Stark, H. H. Stein, and C. K. Jones. 2017. Determining starch gelatinization from grains collected at various locations within the extrusion process. J. Anim. Sci. 95(Suppl. 5):129 (Abstr.)

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.)

Walsh, M. C., L. Payling, I. H. Kim, and H. H. Stein. 2017. Effects of a multistrain Bacillus spp. direct-fed microbial and protease combination at different doses on apparent ileal and total tract digestibility of nutrients in growing pigs fed corn–soybean meal–based diets – A combined analysis of two studies. J. Anim. Sci. 95(Suppl. 5):141 (Abstr.)

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.)

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