{"id":{"repo_id":"missouri","oai_identifier":"oai:mospace.umsystem.edu:10355/38359"},"canonical_url":"https://search.dev.ndltd.org/etd/missouri/oai:mospace.umsystem.edu:10355/38359","repository":{"repo_id":"missouri","name":"University of Missouri","base_url":"https://mospace.umsystem.edu/oai/request"},"display":{"title":"Improving fiber by-product utilization in high concentrate diets","abstract":"The effects of starch and fiber combinations in feedlot diets were examined to determine maximum whole shell corn (WSC) inclusion rate in high fiber diets and determine the effects of fibrolytic enzyme addition to WSC diets with increasing fiber inclusion. Soybean hull (SH) diets with increasing WSC inclusion rates were compared in continuous culture fermenters and fiber digestibility was reduced as starch inclusion increased with an optimum balance between DM and fiber digestibility between 80 and 90% SH inclusion. A subsequent feedlot study determined maximum WSC inclusion for optimum digestibility was 80:20, SH:WSC. The ADG and G:F decreased as SH inclusion increased. Using an in vitro fermentation, 0.045% was determined to be the minimum dietary inclusion rate of a commercial proprietary mix of B. subtilis, A. oryzae and T. viride (ENZ; Cattlemace, R & D Life Sciences LLC, Menomonie, WI). In continuous culture, increasing SH inclusion in corn diets improved NDF digestibility and reduced DM and OM digestibility. Adding 0.045% ENZ caused greater acetate concentration, reduced propionate concentration and increased acetate:propionate, indicating a favorable shift in fiber fermentation. There was no difference in ADG or G:F for steers consuming 100% WSC diets versus 14-28% SH diets with ENZ included. An 80:20 SH:WSC diet optimizes fiber digestibility and animals can consume WSC diets containing 14-28% SH and 0.045% ENZ without negative effects on growth performance as compared to all WSC diets.","abstract_html":"The effects of starch and fiber combinations in feedlot diets were examined to determine maximum whole shell corn (WSC) inclusion rate in high fiber diets and determine the effects of fibrolytic enzyme addition to WSC diets with increasing fiber inclusion. Soybean hull (SH) diets with increasing WSC inclusion rates were compared in continuous culture fermenters and fiber digestibility was reduced as starch inclusion increased with an optimum balance between DM and fiber digestibility between 80 and 90% SH inclusion. A subsequent feedlot study determined maximum WSC inclusion for optimum digestibility was 80:20, SH:WSC. The ADG and G:F decreased as SH inclusion increased. Using an in vitro fermentation, 0.045% was determined to be the minimum dietary inclusion rate of a commercial proprietary mix of B. subtilis, A. oryzae and T. viride (ENZ; Cattlemace, R & D Life Sciences LLC, Menomonie, WI). In continuous culture, increasing SH inclusion in corn diets improved NDF digestibility and reduced DM and OM digestibility. Adding 0.045% ENZ caused greater acetate concentration, reduced propionate concentration and increased acetate:propionate, indicating a favorable shift in fiber fermentation. There was no difference in ADG or G:F for steers consuming 100% WSC diets versus 14-28% SH diets with ENZ included. An 80:20 SH:WSC diet optimizes fiber digestibility and animals can consume WSC diets containing 14-28% SH and 0.045% ENZ without negative effects on growth performance as compared to all WSC diets.","abstract_has_math":false,"creators":["Russell, Jason Ryan"],"institution":"University of Missouri--Columbia","degree_name":"M.S.","degree_level":"Masters","degree_discipline":"Animal sciences (MU)","degree_department":null,"school":null,"contributors":[],"advisors":["Kerley, Monty Stephen, 1960-"],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013","date_published":"2013","updated_at":"2026-07-24T03:09:05Z","subjects":["feedlot diet","whole shell corn","fiber digestibility","cattle"],"languages":["eng","English"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10355/38359","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Kerley, Monty Stephen, 1960-"]},{"key":"dc:creator","label":"Author","values":["Russell, Jason Ryan"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2013-09-12T14:48:46Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2013-09-12T14:48:46Z"]},{"key":"dc:date.issued","label":"Date","values":["2013"]},{"key":"dc:publisher","label":"Institution","values":["University of Missouri--Columbia"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Animal sciences (MU)"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Missouri--Columbia"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["feedlot diet","whole shell corn","fiber digestibility","cattle"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10355/38359"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Title from PDF of title page (University of Missouri--Columbia, viewed on September 12, 2013).","The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.","Thesis advisor: Dr. Monty S. Kerley","Includes bibliographical references.","M.S. University of Missouri--Columbia 2013.","Dissertations, Academic -- University of Missouri--Columbia -- Animal sciences.","\"May 2013\""]},{"key":"dc:description.abstract","label":"Abstract","values":["The effects of starch and fiber combinations in feedlot diets were examined to determine maximum whole shell corn (WSC) inclusion rate in high fiber diets and determine the effects of fibrolytic enzyme addition to WSC diets with increasing fiber inclusion. Soybean hull (SH) diets with increasing WSC inclusion rates were compared in continuous culture fermenters and fiber digestibility was reduced as starch inclusion increased with an optimum balance between DM and fiber digestibility between 80 and 90% SH inclusion. A subsequent feedlot study determined maximum WSC inclusion for optimum digestibility was 80:20, SH:WSC. The ADG and G:F decreased as SH inclusion increased. Using an in vitro fermentation, 0.045% was determined to be the minimum dietary inclusion rate of a commercial proprietary mix of B. subtilis, A. oryzae and T. viride (ENZ; Cattlemace, R & D Life Sciences LLC, Menomonie, WI). In continuous culture, increasing SH inclusion in corn diets improved NDF digestibility and reduced DM and OM digestibility. Adding 0.045% ENZ caused greater acetate concentration, reduced propionate concentration and increased acetate:propionate, indicating a favorable shift in fiber fermentation. There was no difference in ADG or G:F for steers consuming 100% WSC diets versus 14-28% SH diets with ENZ included. An 80:20 SH:WSC diet optimizes fiber digestibility and animals can consume WSC diets containing 14-28% SH and 0.045% ENZ without negative effects on growth performance as compared to all WSC diets."]},{"key":"dc:source","label":"Dc Source","values":["Submitted by the University of Missouri--Columbia Graduate School"]},{"key":"dc:title","label":"Title","values":["Improving fiber by-product utilization in high concentrate diets"]}]}],"canonical_facts":{"dc:contributor.advisor":["Kerley, Monty Stephen, 1960-"],"dc:creator":["Russell, Jason Ryan"],"dc:date.accessioned":["2013-09-12T14:48:46Z"],"dc:date.available":["2013-09-12T14:48:46Z"],"dc:date.issued":["2013"],"dc:description":["Title from PDF of title page (University of Missouri--Columbia, viewed on September 12, 2013).","The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file.","Thesis advisor: Dr. Monty S. Kerley","Includes bibliographical references.","M.S. University of Missouri--Columbia 2013.","Dissertations, Academic -- University of Missouri--Columbia -- Animal sciences.","\"May 2013\""],"dc:description.abstract":["The effects of starch and fiber combinations in feedlot diets were examined to determine maximum whole shell corn (WSC) inclusion rate in high fiber diets and determine the effects of fibrolytic enzyme addition to WSC diets with increasing fiber inclusion. Soybean hull (SH) diets with increasing WSC inclusion rates were compared in continuous culture fermenters and fiber digestibility was reduced as starch inclusion increased with an optimum balance between DM and fiber digestibility between 80 and 90% SH inclusion. A subsequent feedlot study determined maximum WSC inclusion for optimum digestibility was 80:20, SH:WSC. The ADG and G:F decreased as SH inclusion increased. Using an in vitro fermentation, 0.045% was determined to be the minimum dietary inclusion rate of a commercial proprietary mix of B. subtilis, A. oryzae and T. viride (ENZ; Cattlemace, R & D Life Sciences LLC, Menomonie, WI). In continuous culture, increasing SH inclusion in corn diets improved NDF digestibility and reduced DM and OM digestibility. Adding 0.045% ENZ caused greater acetate concentration, reduced propionate concentration and increased acetate:propionate, indicating a favorable shift in fiber fermentation. There was no difference in ADG or G:F for steers consuming 100% WSC diets versus 14-28% SH diets with ENZ included. An 80:20 SH:WSC diet optimizes fiber digestibility and animals can consume WSC diets containing 14-28% SH and 0.045% ENZ without negative effects on growth performance as compared to all WSC diets."],"dc:identifier.uri":["http://hdl.handle.net/10355/38359"],"dc:language":["English"],"dc:language.iso":["eng"],"dc:publisher":["University of Missouri--Columbia"],"dc:source":["Submitted by the University of Missouri--Columbia Graduate School"],"dc:subject":["feedlot diet","whole shell corn","fiber digestibility","cattle"],"dc:title":["Improving fiber by-product utilization in high concentrate diets"],"dc:type":["Thesis"],"thesis:degree_discipline":["Animal sciences (MU)"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Missouri--Columbia"]},"updated_at":"2026-07-24T03:09:05Z"}