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Stein Nutrition Newsletter, March 2016
March 2016

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.

Effects of full fat or defatted rice bran on growth performance of weanling pigs

Rice bran is the brown outer layer of brown rice, which is removed from brown rice to produce white polished rice for human consumption. Rice bran may be full fat, containing 14 to 25% fat, or defatted, which reduces the concentration of fat to less than 5%.

Rice bran has  a high concentration of non-starch polysaccharides (NSP), primarily arabinoxylan and cellulose. NSPs decrease nutrient digestibility and thus limit the inclusion of rice bran in weanling pig diets. Recent data from our laboratory indicate that adding exogenous xylanase to diets containing full fat rice bran (FFRB) or defatted rice bran (DFRB) increases the concentrations of digestible and metabolizable energy. The objective of this experiment was to determine the effects of increased inclusion levels of FFRB or DFRB to diets without or with exogenous xylanase on growth performance.

(Read more ...)

Podcast: Digestible calcium requirements and calcium and phosphorus balance for 25-50 kg pigs

Caroline González-Vega, a recent Ph. D. recipient from the Stein Monogastric Nutrition Laboratory, discusses her work to determine standardized total tract digestible calcium requirements for 25-50 kg pigs. Adapted from a presentation at the 2016 ASAS Midwestern Section meeting, Des Moines, IA, March 14-16.

(Watch or download)

Press release: Smaller corn particle size means more energy for pigs, lower costs for producers

URBANA, Ill. – The results of new research at the University of Illinois indicate that it is possible for producers to reduce feed costs if yellow dent corn, a staple of swine diets in the United States, is ground to a finer particle size. The smaller particle size allows pigs to derive more energy from the corn, which means producers can reduce the amount of fat added to diets (reducing their costs) without affecting the growth performance or carcass characteristics of pigs

Hans H. Stein, professor of animal sciences at the U of I, and his lab conducted an experiment to determine if growth performance and carcass characteristics differed among pigs fed diets that had the same amount of energy, but contained corn that was ground to different particle sizes. Current industry recommendations call for corn fed to pigs to be ground to a particle size of around 650 microns.

(Read more ...)

New publications from the Stein Monogastric Nutrition Laboratory

Stein, H. H. 2016. Evaluating protein quality of human foods using the pig as a model. J. Anim. Sci. 94(Suppl. 2):20 (Abstr.)

Jaworski, N. W., M. C. Walsh, and H. H. Stein. 2016. Effects of fiber, a direct-fed microbial, and feeding duration on ileal and total tract digestibility of energy and nutrients by pigs. J. Anim. Sci. 94(Suppl. 2):73-74 (Abstr.)

Jaworski, N. W., M. C. Walsh, and H. H. Stein. 2016. Effect of a 3-Strain Bacillus-based direct-fed microbial on relative tissue gene expression in nursery and finishing pigs fed low- or high-fiber diets. J. Anim. Sci. 94(Suppl. 2):83 (Abstr.)

González-Vega, J. C., C. L. Walk, and H. H. Stein. 2016. Requirements for digestible Ca by growing pigs. J. Anim. Sci. 94(Suppl. 2):101 (Abstr.)

González-Vega, J. C., C. L. Walk, and H. H. Stein. 2016. Digestible calcium requirements for 25 to 50 kg pigs. J. Anim. Sci. 94(Suppl. 2):101 (Abstr.)

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.)

Merriman, L. A., C. L. Walk, and H. H. Stein. 2016. Effect of fat sources on ATTD of minerals. J. Anim. Sci. 94(Suppl. 2):104 (Abstr.)

Navarro, D. M. D. L., N. W. Jaworski, and H. H. Stein. 2016. Amino acid digestibility in six sources of meat and bone meal fed to growing pigs. J. Anim. Sci. 94(Suppl. 2):105 (Abstr.)

Casas, G. A. and H. H. Stein. 2016. Effects of exogenous xylanase on digestibility of dry matter, organic matter, neutral detergent fiber, and energy and the concentrations of digestible and metabolizable energy in rice co-products fed to weanling pigs. J. Anim. Sci. 94(Suppl. 2):107 (Abstr.)

Merriman, L. A., C. L. Walk, and H. H. Stein. 2016. The effect of microbial phytase on the apparent and standardized total tract digestibility of calcium in feed ingredients of animal origin. J. Anim. Sci. 94(Suppl. 2):110 (Abstr.)

Liu, Y., J. C. González-Vega, M. Vázquez-Añón, J. Zhao, J. Escobar, F. N. Almeida, and H. H. Stein. 2016. Effects of a novel phytase on growth performance and metacarpal bone ash in weanling pigs. J. Anim. Sci. 94(Suppl. 2):111-112 (Abstr.)

Kiarie, E., Y. Liu, M. C. Walsh, H. H. Stein, and L. Payling. 2016. Xylanase responses on apparent ileal digestibility of nutrients, fiber and energy in growing pigs fed corn, 30% corn co-products and soybean meal based diets as influenced by microbial phytase and acclimatization period. J. Anim. Sci. 94(Suppl. 2):112-113 (Abstr.)

In This Issue

• Research report: Effects of full fat or defatted rice bran on growth performance of weanling pigs
• Podcast: Digestible calcium requirements and calcium and phosphorus balance for 25-50 kg pigs
• Press release: Smaller corn particle size means more energy for pigs, lower costs for producers
• New publications from the Stein Monogastric Nutrition Laboratory

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