Bacteriophage application for elimination of E coli for elimination of ...

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Distillers’ Dried Grain with • By-product off the bioethanol industry • DDGS has higher protein, fat and fibre content than complete grains and is a valuable feed source for cattle solubles (DDGS) • Corn DDGS (CDDGS) has been linked to bovine shedding of E. coli O157:H7 • In Canada, DDGS is made primarily from wheat (WDDGS) • No studies on WDDGS and fecal shedding of E. coli O157:H7
Effect of DDGS on E. coli O157:H7 in cattle A. Commercial feedlot study -Cattle fed finishing diets containing 22.5% CDDGS, WDDGS or CTRL (n=6,817) -Collected fecal pats, pH, hide swabs and screened for naturally occurring E. coli O157:H7 B. Fecal Persistence study -Inoculated feces with nalidixic resistance E. coli O157:H7 (Nal-R) from cattle fed 22.5% CDDGS, WDDGS or CTRL C. Challenge Study -Inoculated steers with Nal-R E. coli O157:H7 (n =32) -Cattle fed 40% CDDGS, WDDGS, CWDDGS or CTRL -Collected fecal grabs, pH and screened for Nal-R E. coli O157:H7
Page 1 and 2: Bacteriophage application for elimi
Page 3: E. coli O157:H7 in the feedlot •
Page 7 and 8: E. coli O157:H7 in ground beef •
Page 9 and 10: Isolation of Endemic phage from the
Page 11 and 12: Further characterization of phages
Page 13 and 14: Acknowledgements T. A. McAllister,

Bacteriophage application for elimination of E coli for elimination of ...

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