{"id":{"repo_id":"guelph","oai_identifier":"oai:atrium.lib.uoguelph.ca:10214/28060"},"canonical_url":"https://search.dev.ndltd.org/etd/guelph/oai:atrium.lib.uoguelph.ca:10214/28060","repository":{"repo_id":"guelph","name":"University of Guelph","base_url":"https://atrium.lib.uoguelph.ca/server/oai/request"},"display":{"title":"The Fecal Microbiota of Healthy and Diarrheic Calves Before, During and at Recovery From Diarrhea","abstract":"The changes associated with the gastrointestinal microbiota before, during and after neonatal calf diarrhea still needs to be fully understood and described. The first chapter of this thesis reviews our current understanding of the composition of a “healthy” fecal microbiome, microbial changes associated with dysbiosis and gastrointestinal disease, etiologic agents associated with diarrhea, and current treatments for calf diarrhea. Throughout the literature review, the author explains the current knowledge gaps regarding the changes in the gastrointestinal microbial communities of calves that experience diarrhea during the preweaning period and provides opinions about future studies that can aid in filling those gaps. The second chapter reports the findings of a study investigating the changes in the fecal microbiota of neonate calves before, during, and at recovery of diarrhea. This study showed that the bacterial communities of healthy calves and calves that experience diarrhea are not different before or after diarrhea, but the microbiota differed between groups at diarrhea onset. These results suggested that reported changes in bacterial communities during diarrhea appear to be a consequence of diarrhea and gastrointestinal inflammation rather than the predisposing factor for diarrhea development.","abstract_html":"The changes associated with the gastrointestinal microbiota before, during and after neonatal calf diarrhea still needs to be fully understood and described. The first chapter of this thesis reviews our current understanding of the composition of a “healthy” fecal microbiome, microbial changes associated with dysbiosis and gastrointestinal disease, etiologic agents associated with diarrhea, and current treatments for calf diarrhea. Throughout the literature review, the author explains the current knowledge gaps regarding the changes in the gastrointestinal microbial communities of calves that experience diarrhea during the preweaning period and provides opinions about future studies that can aid in filling those gaps. The second chapter reports the findings of a study investigating the changes in the fecal microbiota of neonate calves before, during, and at recovery of diarrhea. This study showed that the bacterial communities of healthy calves and calves that experience diarrhea are not different before or after diarrhea, but the microbiota differed between groups at diarrhea onset. These results suggested that reported changes in bacterial communities during diarrhea appear to be a consequence of diarrhea and gastrointestinal inflammation rather than the predisposing factor for diarrhea development.","abstract_has_math":false,"creators":["Jessop, Emma"],"institution":"University of Guelph","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Gomez, Diego"],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-08-21T16:45:07Z","subjects":["Dairy cattle","Dysbiosis","Enteropathogens","Gastrointestinal microbiome","Neonate"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10214/28060","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"source_record":{"url":"https://atrium.lib.uoguelph.ca/server/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai%3Aatrium.lib.uoguelph.ca%3A10214%2F28060","prefix":"dim"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Gomez, Diego"]},{"key":"dc:creator","label":"Author","values":["Jessop, Emma"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-01-08T22:21:33Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2024-01-08T22:21:33Z"]},{"key":"dc:publisher","label":"Institution","values":["University of Guelph"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Dairy cattle","Dysbiosis","Enteropathogens","Gastrointestinal microbiome","Neonate"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10214/28060"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The changes associated with the gastrointestinal microbiota before, during and after neonatal calf diarrhea still needs to be fully understood and described. The first chapter of this thesis reviews our current understanding of the composition of a “healthy” fecal microbiome, microbial changes associated with dysbiosis and gastrointestinal disease, etiologic agents associated with diarrhea, and current treatments for calf diarrhea. Throughout the literature review, the author explains the current knowledge gaps regarding the changes in the gastrointestinal microbial communities of calves that experience diarrhea during the preweaning period and provides opinions about future studies that can aid in filling those gaps. The second chapter reports the findings of a study investigating the changes in the fecal microbiota of neonate calves before, during, and at recovery of diarrhea. This study showed that the bacterial communities of healthy calves and calves that experience diarrhea are not different before or after diarrhea, but the microbiota differed between groups at diarrhea onset. These results suggested that reported changes in bacterial communities during diarrhea appear to be a consequence of diarrhea and gastrointestinal inflammation rather than the predisposing factor for diarrhea development."]},{"key":"dc:title","label":"Title","values":["The Fecal Microbiota of Healthy and Diarrheic Calves Before, During and at Recovery From Diarrhea"]}]}],"canonical_facts":{"dc:contributor.advisor":["Gomez, Diego"],"dc:creator":["Jessop, Emma"],"dc:date.accessioned":["2024-01-08T22:21:33Z"],"dc:date.available":["2024-01-08T22:21:33Z"],"dc:description.abstract":["The changes associated with the gastrointestinal microbiota before, during and after neonatal calf diarrhea still needs to be fully understood and described. The first chapter of this thesis reviews our current understanding of the composition of a “healthy” fecal microbiome, microbial changes associated with dysbiosis and gastrointestinal disease, etiologic agents associated with diarrhea, and current treatments for calf diarrhea. Throughout the literature review, the author explains the current knowledge gaps regarding the changes in the gastrointestinal microbial communities of calves that experience diarrhea during the preweaning period and provides opinions about future studies that can aid in filling those gaps. The second chapter reports the findings of a study investigating the changes in the fecal microbiota of neonate calves before, during, and at recovery of diarrhea. This study showed that the bacterial communities of healthy calves and calves that experience diarrhea are not different before or after diarrhea, but the microbiota differed between groups at diarrhea onset. These results suggested that reported changes in bacterial communities during diarrhea appear to be a consequence of diarrhea and gastrointestinal inflammation rather than the predisposing factor for diarrhea development."],"dc:identifier.uri":["https://hdl.handle.net/10214/28060"],"dc:language.iso":["en"],"dc:publisher":["University of Guelph"],"dc:subject":["Dairy cattle","Dysbiosis","Enteropathogens","Gastrointestinal microbiome","Neonate"],"dc:title":["The Fecal Microbiota of Healthy and Diarrheic Calves Before, During and at Recovery From Diarrhea"],"dc:type":["Thesis"]},"updated_at":"2026-08-21T16:45:07Z"}