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Stein Nutrition Newsletter, December 2014
December 2014

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: 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.

(Read more ...)

Podcast: Standardized total tract digestibility of phosphorus in rice bran with and without phytase supplementation in swine diets

Jerubella Abelilla, Ph. D. student in the Stein Monogastric Nutrition Lab, shares her Master's degree research on phosphorus digestibility in rice bran and how it is affected by phytase supplementation.


(Listen or download)

Feature: International opportunities for graduate students in monogastric nutrition at Illinois

Dr. Hans H. Stein, professor of animal sciences at the University of Illinois, knows the value of overseas travel for study and professional development. "I like to say that there are two kinds of graduate students in the Stein lab: those who have traveled abroad, and those who will travel outside the country," said Dr. Stein. "The reason international experiences are so important is that all our students after graduation will get jobs where they either will be travelling abroad or they will be doing business with people from abroad. So an important part of graduate education is to prepare students for the challenges they will encounter after graduation and there is no better way to do that than to provide international opportunities for the students." This year, four students from the Stein lab had the opportunity to travel outside of the United States.

(Read more ...)

In This Issue

• Research report: Effect of particle size in calcium carbonate on apparent and standardized total tract digestibility and retention of calcium by growing pigs
• Podcast: Standardized total tract digestibility of phosphorus in rice bran with and without phytase supplementation in swine diets
• Feature: International opportunities for graduate students in monogastric nutrition at Illinois

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