Feeding crude glycerin decreases fecal shedding of E. coli O157:H7 in growing cattle

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dc.contributor.author Aperce, C.
dc.contributor.author Drouillard, James S.
dc.date.accessioned 2012-04-03T16:41:03Z
dc.date.available 2012-04-03T16:41:03Z
dc.date.issued 2012-04-03
dc.identifier.uri http://hdl.handle.net/2097/13571
dc.description.abstract Crude glycerin is a byproduct of ethanol production and is used as a carbohydrate source for cattle feed. Glycerin levels in previous studies have ranged from 0 to 20% of diet dry matter, and concentrations of 8% or less generally improve feedlot performance. At even low levels of glycerin, however, the activity of cellulolytic bacteria is depressed, ultimately leading to poorer fiber digestion. This observation suggests that glycerin may affect a specific population of bacteria in the gut. Crude glycerin can account for 8 to 10% of the weight of dried distillers grains with solubles, because it is one of the primary end-products when yeast ferments sugars to produce ethanol. Addition of 25% dried distillers grains with solubles to a feedlot diet increased the prevalence of Escherichia coli O157:H7 in feces of cattle. These observations led us to question whether glycerin might be the component of distillers grains responsible for the increases in prevalence of E. coli O157:H7 that often are observed in cattle fed distillers grains. To address this question, we added glycerin to diets of growing cattle and subsequently evaluated fecal shedding of E. coli O157:H7. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Cattlemen's Day, 2012 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 12-231-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 1065 en_US
dc.relation.isPartOf Beef Cattle Research, 2012 is known as Cattlemen's Day, 2012 en_US
dc.subject Beef en_US
dc.subject Crude glycerin en_US
dc.subject E. coli O157:H7 en_US
dc.title Feeding crude glycerin decreases fecal shedding of E. coli O157:H7 in growing cattle en_US
dc.type Conference paper en_US
dc.date.published 2012 en_US
dc.citation.epage 83 en_US
dc.citation.spage 81 en_US
dc.contributor.authoreid jdrouill en_US

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