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A Comparison of Gaseous Emissions from Swine Finisher Facilities Fed Traditional vs. A DDGS Based Diet

Published: September 12, 2013

Summary

INTRODUCTION Iowa leads the nation in corn and ethanol production. For corn-based ethanol plants, a primary co-product of the process is distillers dried grains with solubles (DDGS). DDGS have been reported to contain high levels of digestible energy and metabolizable energy, digestible amino acids, and available phosphorus (Shurson et al., 2003; Honeyman et al., 2007). Generally, DDGS have be...

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#DDGS in swine diets

Authors:

John Patience

Iowa State University

Robert Burns

University of Tennessee (USA)

Laura Pepple

University of Illinois

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Rafael Duran

IFF - International Flavors & Fragrances

23 de septiembre de 2013

Hello from Spain , thanks for an interesting paper. I am not a ruminant expert and this fermenatation capacity of pigs is similar to the rumen, so apologies if my question is maing little or no sense. If NH4 emissions are increased doesn´t this indicate there has been protein - non ileal digested - fermentation, probably due to a decreased digestibility of CP because of the DDGS inclusion?. Moreover would this effect also relate to the fact that the other gases (GHG) were not increased because protein fermantation takes place with fibre yielding the energy to the microbiota therein?. And last but not least: would you expect different effects when using a carbohydrase in the diet?. Many thanks.

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