{"id":"https://openalex.org/W7204741858","doi":"https://doi.org/10.31274/wcgalp.23479","title":"How does use of the methane mitigating feed additive Bovaer affect animal variance and ranking of methane and yield traits in dairy cattle?","display_name":"How does use of the methane mitigating feed additive Bovaer affect animal variance and ranking of methane and yield traits in dairy cattle?","publication_year":2026,"publication_date":"2026-02-26","ids":{"openalex":"https://openalex.org/W7204741858","doi":"https://doi.org/10.31274/wcgalp.23479"},"language":"en","primary_location":{"id":"doi:10.31274/wcgalp.23479","doi":"https://doi.org/10.31274/wcgalp.23479","is_oa":true,"landing_page_url":"https://doi.org/10.31274/wcgalp.23479","pdf_url":null,"source":{"id":"https://openalex.org/S4306524367","display_name":"World Congress on Genetics Applied to Livestock Production (WCGALP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"World Congress on Genetics Applied to Livestock Production Digital Archive -","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.31274/wcgalp.23479","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5156583161","display_name":"Rasmus Stephansen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Rasmus Stephansen","raw_affiliation_strings":["Aarhus University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aarhus University","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018159212","display_name":"Jan Lassen","orcid":"https://orcid.org/0000-0002-1338-8644","observed_orcids":["https://orcid.org/0000-0002-1338-8644"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jan Lassen","raw_affiliation_strings":["VikingGenetics"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VikingGenetics","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003490457","display_name":"Peter L\u00f8vendahl","orcid":"https://orcid.org/0000-0002-9852-2944","observed_orcids":["https://orcid.org/0000-0002-9852-2944"]},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Peter L\u00f8vendahl","raw_affiliation_strings":["Aarhus University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aarhus University","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113596369","display_name":"Martin Bjerring","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Martin Bjerring","raw_affiliation_strings":["AniVet, Aarhus University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"AniVet, Aarhus University","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124685899","display_name":"Trine Villumsen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Trine Villumsen","raw_affiliation_strings":["Aarhus University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aarhus University","institution_ids":["https://openalex.org/I204337017"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5156745707","display_name":"Mogens Lund","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I204337017","display_name":"Aarhus University","ror":"https://ror.org/01aj84f44","country_code":"DK","type":"education","lineage":["https://openalex.org/I204337017"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Mogens Lund","raw_affiliation_strings":["Aarhus University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aarhus University","institution_ids":["https://openalex.org/I204337017"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.9556000232696533,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.9556000232696533,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.03720000013709068,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12365","display_name":"Effects of Environmental Stressors on Livestock","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C2779885849","wikidata":"https://www.wikidata.org/wiki/Q933949","display_name":"Milking","level":2,"score":0.6632999777793884},{"id":"https://openalex.org/C2776208129","wikidata":"https://www.wikidata.org/wiki/Q30672844","display_name":"Methane emissions","level":3,"score":0.6398000121116638},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.6111000180244446},{"id":"https://openalex.org/C2776977481","wikidata":"https://www.wikidata.org/wiki/Q2915","display_name":"Dairy cattle","level":2,"score":0.5907999873161316},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5149000287055969},{"id":"https://openalex.org/C150903083","wikidata":"https://www.wikidata.org/wiki/Q7108","display_name":"Biotechnology","level":1,"score":0.5101000070571899},{"id":"https://openalex.org/C106934330","wikidata":"https://www.wikidata.org/wiki/Q1971873","display_name":"Trait","level":2,"score":0.5059000253677368},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.4763000011444092},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.47380000352859497},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4311999976634979},{"id":"https://openalex.org/C161890455","wikidata":"https://www.wikidata.org/wiki/Q1503548","display_name":"Heritability","level":2,"score":0.40869998931884766},{"id":"https://openalex.org/C2780505807","wikidata":"https://www.wikidata.org/wiki/Q1208989","display_name":"Beef cattle","level":2,"score":0.39579999446868896},{"id":"https://openalex.org/C2780042802","wikidata":"https://www.wikidata.org/wiki/Q2166154","display_name":"Automatic milking","level":5,"score":0.3747999966144562},{"id":"https://openalex.org/C2016182","wikidata":"https://www.wikidata.org/wiki/Q227675","display_name":"Animal breeding","level":2,"score":0.3725000023841858},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.3675999939441681},{"id":"https://openalex.org/C37621935","wikidata":"https://www.wikidata.org/wiki/Q3606845","display_name":"Agricultural science","level":1,"score":0.3601999878883362},{"id":"https://openalex.org/C70437156","wikidata":"https://www.wikidata.org/wiki/Q7228652","display_name":"Pooling","level":2,"score":0.35420000553131104},{"id":"https://openalex.org/C112964050","wikidata":"https://www.wikidata.org/wiki/Q103459","display_name":"Livestock","level":2,"score":0.351500004529953},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3447999954223633},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.33820000290870667},{"id":"https://openalex.org/C47737302","wikidata":"https://www.wikidata.org/wiki/Q167336","display_name":"Greenhouse gas","level":2,"score":0.3190999925136566},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.304500013589859},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.30300000309944153},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.3010999858379364},{"id":"https://openalex.org/C38304854","wikidata":"https://www.wikidata.org/wiki/Q185716","display_name":"Manure","level":2,"score":0.2985999882221222},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.28859999775886536},{"id":"https://openalex.org/C509243982","wikidata":"https://www.wikidata.org/wiki/Q2836947","display_name":"Animal feed","level":2,"score":0.2815999984741211},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.27230000495910645},{"id":"https://openalex.org/C513193947","wikidata":"https://www.wikidata.org/wiki/Q211439","display_name":"Fodder","level":2,"score":0.26919999718666077},{"id":"https://openalex.org/C164622146","wikidata":"https://www.wikidata.org/wiki/Q9035","display_name":"Danish","level":2,"score":0.26910001039505005},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.2678999900817871},{"id":"https://openalex.org/C52991690","wikidata":"https://www.wikidata.org/wiki/Q1740042","display_name":"Culling","level":3,"score":0.26759999990463257},{"id":"https://openalex.org/C2778890363","wikidata":"https://www.wikidata.org/wiki/Q550479","display_name":"Genetic gain","level":4,"score":0.2581000030040741},{"id":"https://openalex.org/C156380964","wikidata":"https://www.wikidata.org/wiki/Q18556","display_name":"Bioenergy","level":3,"score":0.25459998846054077}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.31274/wcgalp.23479","doi":"https://doi.org/10.31274/wcgalp.23479","is_oa":true,"landing_page_url":"https://doi.org/10.31274/wcgalp.23479","pdf_url":null,"source":{"id":"https://openalex.org/S4306524367","display_name":"World Congress on Genetics Applied to Livestock Production (WCGALP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"World Congress on Genetics Applied to Livestock Production Digital Archive -","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:openaire/e08106fb-daad-46bd-b71e-b964520118dc","doi":null,"is_oa":true,"landing_page_url":"https://pure.au.dk/portal/en/publications/e08106fb-daad-46bd-b71e-b964520118dc","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Stephansen, R B, Lassen, J, L\u00f8vendahl, P, Bjerring, M, Villumsen, T M & Lund, M S 2026, How does use of the methane mitigating feed additive Bovaer affect animal variance and ranking of methane and yield traits in dairy cattle? in World Congress on Genetics Applied to Livestock Production 2026., 2283088, Iowa State University Digital Press, World Congress on Genetics Applied to Livestock Production, Madison, Wisconsin, United States, 12/07/2026. https://doi.org/10.31274/wcgalp.23479","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.31274/wcgalp.23479","doi":"https://doi.org/10.31274/wcgalp.23479","is_oa":true,"landing_page_url":"https://doi.org/10.31274/wcgalp.23479","pdf_url":null,"source":{"id":"https://openalex.org/S4306524367","display_name":"World Congress on Genetics Applied to Livestock Production (WCGALP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"World Congress on Genetics Applied to Livestock Production Digital Archive -","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.958299994468689},{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.75}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4412221382","https://openalex.org/W7116590816","https://openalex.org/W4414521818","https://openalex.org/W4408812622","https://openalex.org/W4416265682","https://openalex.org/W3161294753","https://openalex.org/W3188174168","https://openalex.org/W4416020335","https://openalex.org/W7162997876","https://openalex.org/W7172463642"],"abstract_inverted_index":{"Breeding":[0],"for":[1,71,108,215,311],"reduced":[2,243],"enteric":[3],"methane":[4,32,44,109,151,378,410],"emissions":[5,25],"has":[6],"gained":[7],"traction":[8],"as":[9,21,176],"a":[10,77],"climate":[11],"mitigation":[12,411],"strategy,":[13],"while":[14],"nutritionists":[15],"have":[16,47],"explored":[17],"feed":[18],"additives":[19],"such":[20],"Bovaer":[22,100,126,165,241,274,301,342,362,407],"to":[23,142,205,255,265,281,321,349],"reduce":[24],"and":[26,105,110,129,168,181,195,203,239,247,252,259,262,278,284,292,314,341,366,369,394],"potentially":[27],"improve":[28],"efficiency,":[29],"given":[30],"that":[31,61],"represents":[33],"an":[34],"energy":[35],"loss":[36],"in":[37,50,93,154,189,231,296,344,351,398,409],"dairy":[38,63],"cows.":[39],"Since":[40],"May":[41],"2025,":[42],"official":[43],"breeding":[45],"values":[46],"been":[48],"published":[49],"Denmark":[51],"via":[52],"Nordic":[53],"Cattle":[54],"Genetic":[55],"Evaluation.":[56],"Concurrently,":[57],"Danish":[58],"legislation":[59],"mandates":[60],"conventional":[62],"farmers":[64],"supplement":[65],"60":[66],"mg":[67],"Bovaer/kg":[68],"dry":[69],"matter":[70],"80":[72],"days":[73],"annually.":[74],"This":[75,96],"introduces":[76],"potential":[78],"genotype-by-environment":[79],"(G\u00d7E)":[80],"scenario,":[81],"where":[82],"genetic":[83,404],"predisposition":[84],"interacts":[85],"with":[86],"feed-based":[87],"mitigation-yet":[88],"this":[89],"interaction":[90],"remains":[91],"unexplored":[92],"commercial":[94,120],"settings.":[95],"study":[97],"investigated":[98],"whether":[99],"supplementation":[101,136,242,275],"affects":[102],"trait":[103],"variance":[104],"animal":[106],"ranking":[107],"milk":[111,208,372],"production":[112],"traits.":[113],"Preliminary":[114],"data":[115,152,173],"were":[116,174,197],"collected":[117],"from":[118,185,199],"two":[119,130],"Jersey":[121,131],"herds":[122,132,149],"(546":[123],"cows)":[124,134],"supplementing":[125],"(\"treatment":[127],"group\")":[128],"(574":[133],"without":[135],"(\"reference":[137],"group\"),":[138],"spanning":[139],"November":[140],"2024":[141],"July":[143],"2025.":[144,156],"One":[145],"of":[146,179,218,289,358,377,406],"the":[147,223,256,266,282,297,322,332,339,345,352,403],"treatment":[148,298,346],"began":[150],"collection":[153],"February":[155],"We":[157],"defined":[158],"three":[159],"periods:":[160],"pre-Bovaer":[161,257,340],"(November":[162],"2024-January":[163],"2025),":[164,167],"(February-April":[166],"post-Bovaer":[169,267],"(May-July":[170],"2025).":[171],"Gas":[172],"obtained":[175],"weekly":[177],"averages":[178],"CH\u2084":[180,245,290,312,364],"CO\u2082":[182],"concentrations":[183],"(ppm)":[184],"Guardian":[186],"sniffers":[187],"installed":[188],"milking":[190],"robots.":[191],"Milk":[192],"yield,":[193],"fat%,":[194,331],"protein%":[196],"sourced":[198],"monthly":[200],"test-day":[201],"records":[202],"used":[204],"calculate":[206],"energy-corrected":[207],"(ECM).":[209],"A":[210],"three-trait":[211],"model":[212],"was":[213,336],"applied":[214],"each":[216],"phenotype":[217],"interest":[219],"across":[220],"periods":[221,310,343],"using":[222],"DMU":[224],"software,":[225],"including":[226],"fixed":[227],"effects":[228,236],"(parity,":[229],"herd\u00d7parity\u00d7weeks":[230],"milk,":[232],"herd\u00d7year\u00d7month),":[233],"random":[234],"cow":[235],"(no":[237],"pedigree),":[238],"residuals.":[240],"mean":[244],"ppm":[246,291,313,365],"CH\u2084/CO\u2082":[248,293,315,367],"ratio":[249,294,316,368],"by":[250,260,276],"32%":[251],"25%":[253],"compared":[254,264,280,320,348],"period,":[258,268],"10%":[261],"19%":[263],"respectively.":[269,287],"Interestingly,":[270],"fat%":[271],"increased":[272,304],"during":[273,300,381],"3%":[277],"7%":[279],"pre-":[283],"post-supplementation":[285],"periods,":[286],"Repeatability":[288],"decreased":[295],"group":[299],"supplementation,":[302,382],"suggesting":[303,355,386],"environmental":[305],"influence.":[306],"However,":[307],"correlations":[308],"between":[309,338],"remained":[317],"relatively":[318],"stable":[319],"reference":[323,353],"group,":[324,347,354],"indicating":[325],"limited":[326,387],"reranking":[327,383],"among":[328],"individuals.":[329],"For":[330],"lowest":[333],"correlation":[334],"(0.79)":[335],"observed":[337],"0.92":[350],"some":[356],"degree":[357],"G\u00d7E.":[359,388],"In":[360],"conclusion,":[361],"reduces":[363],"may":[370],"increase":[371],"fat":[373],"content.":[374],"While":[375],"repeatability":[376],"traits":[379],"declines":[380],"appears":[384],"minimal,":[385],"Further":[389],"analyses":[390],"incorporating":[391],"pedigree-based":[392],"relationships":[393],"expanded":[395],"datasets":[396],"later":[397],"2026":[399],"will":[400],"help":[401],"clarify":[402],"implications":[405],"use":[408],"strategies.":[412]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-08-31T00:00:00"}
