{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/70001"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/70001","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Effect of Sulfur Supplementation on in Vitro Cellulose Digestion and on Nutrient Utilization and Nitrogen Metabolism of Lambs Fed Various Forages","abstract":"Experiments were conducted to determine the effects of supplementing three different forages (low quality tall fescue hay, good quality tall fescue hay and tropical star grass hay) containing .26% S, .25% S and .20% S respectively with an isofulfurous quantity of either sodium sulfate or DL methionine.","abstract_html":"Experiments were conducted to determine the effects of supplementing three different forages (low quality tall fescue hay, good quality tall fescue hay and tropical star grass hay) containing .26% S, .25% S and .20% S respectively with an isofulfurous quantity of either sodium sulfate or DL methionine.","abstract_has_math":false,"creators":["Guardiola, Carmen Fernandez"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Animal Sciences","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T21:00:44Z","date_published":"2014-12-15T21:00:44Z","updated_at":"2026-07-22T22:26:02Z","subjects":["Agriculture, Animal Culture and Nutrition"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8302870"],"render_values":[{"text":"(UMI)AAI8302870","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/70001","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Guardiola, Carmen Fernandez"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T21:00:44Z","10000-01-01","1982"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Animal Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Agriculture, Animal Culture and Nutrition"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/70001","(UMI)AAI8302870"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Experiments were conducted to determine the effects of supplementing three different forages (low quality tall fescue hay, good quality tall fescue hay and tropical star grass hay) containing .26% S, .25% S and .20% S respectively with an isofulfurous quantity of either sodium sulfate or DL methionine.","The addition of 1% urea to low quality fescue, good quality fescue and star grass hay stimulated in vitro cellulose digestion. Supplementation of these three forages with .05, .10 or .15% from either sodium sulfate or DL methionine also stimulated cellulose digestion (P < .05). There were no differences between S source.","In vivo experiments involved the use of twelve crossbred lambs (av. wt. of 34, 26 and 28 kg for the low quality fescue, good quality fescue and star grass experiments) which were randomly assigned to one of three treatments: forage, with no added S, forage with .15% S as sodium sulfate and forage with .15% S as DL methionine. After completion of trial one, lambs were rerandomized and the trial was replicated. Acid Detergent Fiber (ADF) and Neutral Detergent Fiber (NDF) digestibilities were improved (P < .01) by S supplementation to low quality fescue regardless of sulfur source. N retention was not significantly affected by treatment. Essential amino acids (% of total) were higher (P < .01) for lambs receiving .15% sulfate-S diet. Molar % of methionine was increased (P < .01) by the addition of S whereas phenylalanine and glycine concentrations decreased with sulfur addition. Serum taken from lambs fed .15% methionine-S contained more histidien (P < .05) while lambs fed .15% sulfate-S had less serum glycine.","Made available in DSpace on 2014-12-15T21:00:44Z (GMT). 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Supplementation of these three forages with .05, .10 or .15% from either sodium sulfate or DL methionine also stimulated cellulose digestion (P < .05). There were no differences between S source.","In vivo experiments involved the use of twelve crossbred lambs (av. wt. of 34, 26 and 28 kg for the low quality fescue, good quality fescue and star grass experiments) which were randomly assigned to one of three treatments: forage, with no added S, forage with .15% S as sodium sulfate and forage with .15% S as DL methionine. After completion of trial one, lambs were rerandomized and the trial was replicated. Acid Detergent Fiber (ADF) and Neutral Detergent Fiber (NDF) digestibilities were improved (P < .01) by S supplementation to low quality fescue regardless of sulfur source. N retention was not significantly affected by treatment. Essential amino acids (% of total) were higher (P < .01) for lambs receiving .15% sulfate-S diet. Molar % of methionine was increased (P < .01) by the addition of S whereas phenylalanine and glycine concentrations decreased with sulfur addition. Serum taken from lambs fed .15% methionine-S contained more histidien (P < .05) while lambs fed .15% sulfate-S had less serum glycine.","Made available in DSpace on 2014-12-15T21:00:44Z (GMT). No. of bitstreams: 1 8302870.pdf: 4764536 bytes, checksum: b6c1e109cb548c701d0d0429789f5df3 (MD5) Previous issue date: 1982","Embargo set by: Seth Robbins for item 70167 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","142 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1982."],"dc:identifier":["http://hdl.handle.net/2142/70001","(UMI)AAI8302870"],"dc:subject":["Agriculture, Animal Culture and Nutrition"],"dc:title":["Effect of Sulfur Supplementation on in Vitro Cellulose Digestion and on Nutrient Utilization and Nitrogen Metabolism of Lambs Fed Various Forages"],"dc:type":["text"],"thesis:degree_discipline":["Animal Sciences"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:02Z"}