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Stein Nutrition Newsletter, December 2012
December 2012

Welcome

Welcome to the Stein Nutrition Newsletter! I hope you will enjoy the new look and find the information useful. For more information, please visit our website at http://nutrition.ansci.illinois.edu.

Research Report: Amino acid digestibility of alternative animal protein sources fed to weanling pigs

Animal protein sources such as fish meal and protein plasma are often used in diets fed to weanling pigs because the amino acids in these sources are highly digestible and because animal protein sources do not contain the anti-nutritional factors present in soybean meal. However, the cost of fish meal has increased in recent years and there is, therefore, a need for less expensive alternatives.

Chicken meal and and poultry by-product meal are protein ingredients that have a concentration of amino acids similar to that of fish meal. Poultry by-product meal is produced from the offal of carcasses of slaughtered poultry and includes feet, necks, undeveloped eggs, and intestines. Chicken meal is prepared from clean flesh and skin of chickens without or with bone derived from the whole carcass of poultry. The quality of chicken meal and poultry by-product meal depends on the quality of the rendered parts to produce them.

(Read more...)

Research Report: Effects of using copra meal in phase 2 diets fed to weanling pigs

Copra meal is a coproduct of the production of coconut oil. Although the amino acid profile and digestibility in copra meal are less favorable than in soybean meal, it can provide significant protein and energy in swine diets and may be used to reduce feed costs.

An experiment was conducted to test the hypothesis that copra meal may replace some corn and soybean meal in phase 2 diets fed to weanling pigs without negatively affecting growth performance.

(Read more ...)

Podcast: Nutritional value of animal proteins fed to pigs

Dr. Hans H. Stein discusses various aspects of feeding animal proteins to pigs. Dr. Stein explains the importance of ash in assessing the nutritional value of feed ingredients, and describes a recent decline in the nutritional value of fish meal. Finally, he discusses the use of several alternative animal protein sources for use in swine diets: byproducts from the poultry industry, intestinal byproducts, and blood products.

(Listen or download)

Press release: Managing weanling pigs without using antibiotic growth promoters

URBANA – There is a growing market in the U.S. for pork raised without antibiotics, including certified organic pork. A researcher at the University of Illinois has created a resource to help swine producers identify strategies that they can use to manage weanling pigs without using antibiotic growth promoters (AGPs).

Hans Stein, professor of animal sciences, has released a new brochure titled "Strategies for managing weanling pigs fed no antibiotic growth promoters." The brochure is the third in Stein's "Swine Focus" series.

(Read more...)

New publications

González-Vega, J. C. and H. H. Stein. 2012. Amino acid digestibility in canola, cottonseed, and sunflower products fed to finishing pigs. J. Anim. Sci. 90:4391:4400.

Stein, H. H. 2012. Swine NRC revisions explained: Part 1. Pages 16-17 in Feedstuffs, October 22, 2012.

Stein, H. H. 2012. Swine NRC revisions explained: Part 2. Pages 12-14 in Feedstuffs, October 29, 2012.

In This Issue

• Research Report: Amino acid digestibility in alternative animal protein sources
• Research Report: Effects of using copra meal in phase 2 diets
• Podcast: Nutritional value of animal proteins fed to pigs
• Press release: Managing weanling pigs without using antibiotic growth promoters
• New publications from the Stein Monogastric Nutrition Laboratory

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