Participation in Forum on March 8, 2018
Zdzislaw Mroz : Thanks Mroz. Great to hear from you!! I trust all is well with you and your family.
Article published the March 8, 2018
Background  Xylose, as a major constituent of plant xylan polymers, is one of the most abundant carbohydrates on the earth, second only to glucose [1, 2]. This abundant pentose sugar, along with arabinose, makes up a majority of the hemicellulose backbone as arabinoxylan in the cell walls of cereal grains fed to pigs [3]. Cereal arabinoxylans (also known as pentosans) are composed of a linea ...
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Article published the January 12, 2018
Background Indigestible markers are commonly used in animal nutrition studies to calculate digestibility coefficients, with chromic oxide, titanium dioxide, and acid insoluble ash being the most common in swine research [1]. Physiological aspects associated with gastric emptying or rate of passage are complex and affected by a variety of factors [2, 3]. Rate of passage can be affected by BW [4], ...
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Article published the October 19, 2017
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Article published the June 16, 2017
Introduction Feed represents between 60 and 70 % of the total cost of pork production in modern capital-intensive systems. Within feed, energy alone may represent 50 % or more of the total cost [1]. Carbon-containing compounds in the feed, including fat, carbohydrate and protein, release energy when oxidized. Such energy is required for such processes as the biosynthesis of proteins, bones and li ...
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Article published the June 9, 2014
The economic losses caused by Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection are estimated to cost the US swine industry more than $640 million annually (USDA, 2008). While significant advances have been made through research efforts to enhance our understanding of PRRSV at the animal health, immunological and genomic level, this disease st ...
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This member gave a presentation on April 1, 2014
At the following event:
INSPIRE- International Non-Starch Polysaccharide Forum 2014
Article published the September 12, 2013
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 been ...
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This member gave a presentation on June 27, 2013
At the following event:
Iowa Swine Day
Article published the June 10, 2013
Introduction In the past few decades, the American pig industry has seen a steady increase in market weights. This trend is driven by economic factors at the packing plant, where fixed costs can be allocated over more pounds of pork sold per pig, and at the farm, where sow and other fixed costs can be spread over more pounds of pork sold. Unfortunately, there is very little empirical data explai ...
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equalizer Statistics: Articles(9)Videos(1)
John F. Patience is a professor in the Department of Animal Sciences at Iowa State University, having joined the faculty in 2008. Prior to this, he was President and C.E.O. of the Prairie Swine Centre, a non-profit research and technology transfer company located in Saskatoon, Canada. He received his Ph.D. from Cornell University and B.Sc. (Agr) and M.S. degrees from the University of Guelph in animal science and animal nutrition, respectively. John is responsible for research in applied swine nutrition and as such, undertakes investigations on energy metabolism, ingredient evaluation and gene
Location:Ames, Iowa, Estados Unidos de América
Profile: Academic / scientific
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