{"id":{"repo_id":"lethbridge","oai_identifier":"oai:opus.uleth.ca:10133/3599"},"canonical_url":"https://search.dev.ndltd.org/etd/lethbridge/oai:opus.uleth.ca:10133/3599","repository":{"repo_id":"lethbridge","name":"University of Lethbridge","base_url":"https://opus.uleth.ca/server/oai/request"},"display":{"title":"Factors affecting fecal shedding of escherichia coli 0157:H7 in cattle","abstract":"Cattle are reservoirs of E. coli O157:H7 and contamination of carcasses during slaughter transfer this potentially deadly pathogen into the human food chain. The goal of this study was to assess: 1) the effect of feeding cattle corn or wheat DDGS, a by-product of the bioethanol industry on fecal shedding or persistence of E. coli O157:H7 in cattle; 2) the effect of endemic bacteriophages on fecal shedding of E. coli O157:H7 in cattle. Results from this study suggest addition of DDGS in finishing diets of cattle do not affect the fecal shedding or persistence of E. coli O157:H7. Three types of endemic phages were identified which may impact levels of shedding of E. coli O157:H7 in cattle. Improved understanding of factors which contribute to shedding of E. coli O157:H7 and the natural microbiota of individual cattle will improve upon existing systems to reduce E. coli O157:H7 in meat.","abstract_html":"Cattle are reservoirs of E. coli O157:H7 and contamination of carcasses during slaughter transfer this potentially deadly pathogen into the human food chain. The goal of this study was to assess: 1) the effect of feeding cattle corn or wheat DDGS, a by-product of the bioethanol industry on fecal shedding or persistence of E. coli O157:H7 in cattle; 2) the effect of endemic bacteriophages on fecal shedding of E. coli O157:H7 in cattle. Results from this study suggest addition of DDGS in finishing diets of cattle do not affect the fecal shedding or persistence of E. coli O157:H7. Three types of endemic phages were identified which may impact levels of shedding of E. coli O157:H7 in cattle. Improved understanding of factors which contribute to shedding of E. coli O157:H7 and the natural microbiota of individual cattle will improve upon existing systems to reduce E. coli O157:H7 in meat.","abstract_has_math":false,"creators":["Hallewell, Jennyka","University of Lethbridge. Faculty of Arts and Science"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014","date_published":"2014","updated_at":"2026-07-27T20:02:14Z","subjects":["E.coli 0157:H7","Fecal shedding","Cattle","Finishing diets","Endemic bacteriophages","Dissertations, Academic"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/3599"],"render_values":[{"text":"hdl:10133/3599","href":null,"code":true}]}]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2014"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["E.coli 0157:H7","Fecal shedding","Cattle","Finishing diets","Endemic bacteriophages","Dissertations, Academic"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/3599"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["Cattle are reservoirs of E. coli O157:H7 and contamination of carcasses during slaughter transfer this potentially deadly pathogen into the human food chain. The goal of this study was to assess: 1) the effect of feeding cattle corn or wheat DDGS, a by-product of the bioethanol industry on fecal shedding or persistence of E. coli O157:H7 in cattle; 2) the effect of endemic bacteriophages on fecal shedding of E. coli O157:H7 in cattle. Results from this study suggest addition of DDGS in finishing diets of cattle do not affect the fecal shedding or persistence of E. coli O157:H7. Three types of endemic phages were identified which may impact levels of shedding of E. coli O157:H7 in cattle. Improved understanding of factors which contribute to shedding of E. coli O157:H7 and the natural microbiota of individual cattle will improve upon existing systems to reduce E. coli O157:H7 in meat."]},{"key":"dc:title","label":"Title","values":["Factors affecting fecal shedding of escherichia coli 0157:H7 in cattle"]}]}],"canonical_facts":{"dc:date.issued":["2014"],"dc:description.other":["Cattle are reservoirs of E. coli O157:H7 and contamination of carcasses during slaughter transfer this potentially deadly pathogen into the human food chain. The goal of this study was to assess: 1) the effect of feeding cattle corn or wheat DDGS, a by-product of the bioethanol industry on fecal shedding or persistence of E. coli O157:H7 in cattle; 2) the effect of endemic bacteriophages on fecal shedding of E. coli O157:H7 in cattle. Results from this study suggest addition of DDGS in finishing diets of cattle do not affect the fecal shedding or persistence of E. coli O157:H7. Three types of endemic phages were identified which may impact levels of shedding of E. coli O157:H7 in cattle. Improved understanding of factors which contribute to shedding of E. coli O157:H7 and the natural microbiota of individual cattle will improve upon existing systems to reduce E. coli O157:H7 in meat."],"dc:identifier":["hdl:10133/3599"],"dc:subject":["E.coli 0157:H7","Fecal shedding","Cattle","Finishing diets","Endemic bacteriophages","Dissertations, Academic"],"dc:title":["Factors affecting fecal shedding of escherichia coli 0157:H7 in cattle"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:02:14Z"}