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Stein Nutrition Newsletter, January 2015
January 2015

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.

Research report: 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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Press release: Corn co-products from wet milling may be included in pig diets, study shows

URBANA, Ill. – Many co-products from the corn processing industry may be used in diets fed to pigs. Much attention over the last 10 years has been on co-products produced from the biofuels industry, including distillers dried grains and high-protein distillers grains. However, the wet milling industry also produces many different co-products that may be used in pig diets.

Because little information about co-products produced from the wet milling industry has been reported, research from the University of Illinois is helping to determine the nutritional value of four of these co-products so that producers and companies can incorporate these ingredients into swine diets, said Hans H. Stein, a U of I animal science researcher.

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New publication from the Stein Monogastric Nutrition Laboratory

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.

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.

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.

In This Issue

• Research report: Effects of fiber on the optimal threonine:lysine ratio for 25 to 50 kg growing gilts
• Press release: Corn co-products from wet milling may be included in pig diets, study shows
• New publications from the Stein Monogastric Nutrition Laboratory

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