Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/18703
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dc.contributor.authorHerd, Robert Men
dc.contributor.authorDonoghue, Ken
dc.contributor.authorBird, S Hen
dc.contributor.authorHegarty, Rogeren
dc.contributor.authorArthur, P Fen
local.source.editorEditor(s): William Pattieen
dc.date.accessioned2016-03-03T15:12:00Z
dc.date.issued2011en
dc.identifier.citationBreeding Objectives: A New Paradigm, p. 187-190en
dc.identifier.isbn9780646559155en
dc.identifier.urihttps://hdl.handle.net/1959.11/18703en
dc.description.abstractThe aim of this experiment is to investigate and demonstrate genetic variation in daily methane production (MP; g/d), methane intensity (MI; MP per unit bodyweight; g/kg) and methane yield (MY; MP per unit feed intake; g/kg). Angus cows in pedigree- and performance-recorded research herds at Industry & Investment NSW research centres at Grafton and Trangie NSW were mated in 2007 to Angus bulls that had previously been recorded for MY. Bulls that had been identified as either phenotypically high or low for MY were used as sires in the Grafton herd; unselected sires were used in the Trangie herd. In 2010 the near 2-year-old bull progeny from Trangie and heifer progeny from Grafton were measured for MP, MI and MY. There were 8 sires with progeny represented in the Trangie bull data (n=63 progeny). A wide range in least-squares (LS) sire means was observed for MP (191g/d to 233g/d), MI (0.26g/kg to 0.63g/kg) and MY (24.3g/kg to 30.2g/kg). There were 6 sires with progeny represented in the Grafton heifer data (n=79 progeny). A wide range in LS sire means was observed for MP (133g/d to 165g/d), MP (0.15g/kg to 0.55g/kg) and MY (21.5g/kg to 27.0g/kg). The differences between sires for these traits that indicate that there may be genetic variation present and provide preliminary evidence that selection on a methane production trait may be possible.en
dc.languageenen
dc.publisherAAABG: Association for the Advancement of Animal Breeding and Geneticsen
dc.relation.ispartofBreeding Objectives: A New Paradigmen
dc.relation.ispartofseriesProceedings of the AAABG ... Conferenceen
dc.titleBreeding Angus cattle that naturally emit less methaneen
dc.typeConference Publicationen
dc.relation.conference19th Conference of the Association for the Advancement of Animal Breeding and Genetics, Perth, Australia, 19th - 21st July, 2011en
dc.subject.keywordsAnimal Breedingen
local.contributor.firstnameRobert Men
local.contributor.firstnameKen
local.contributor.firstnameS Hen
local.contributor.firstnameRogeren
local.contributor.firstnameP Fen
local.subject.for2008070201 Animal Breedingen
local.subject.seo2008830301 Beef Cattleen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolAdministrationen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailrherd3@une.edu.auen
local.profile.emailkdonogh4@une.edu.auen
local.profile.emailrhegart3@une.edu.auen
local.output.categoryE1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20120430-113922en
local.publisher.placePerth, Australiaen
local.format.startpage187en
local.format.endpage190en
local.series.issn1328-3227en
local.series.number19en
local.peerreviewedYesen
local.contributor.lastnameHerden
local.contributor.lastnameDonoghueen
local.contributor.lastnameBirden
local.contributor.lastnameHegartyen
local.contributor.lastnameArthuren
dc.identifier.staffune-id:rherd3en
dc.identifier.staffune-id:kdonogh4en
dc.identifier.staffune-id:sbirden
dc.identifier.staffune-id:rhegart3en
local.profile.orcid0000-0003-4689-5519en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:18906en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleBreeding Angus cattle that naturally emit less methaneen
local.output.categorydescriptionE1 Refereed Scholarly Conference Publicationen
local.relation.urlhttp://www.aaabg.org/aaabg19/en
local.conference.details19th Conference of the Association for the Advancement of Animal Breeding and Genetics, Perth, Australia, 19th - 21st July, 2011en
local.description.statisticsepubsVisitors: 140<br />Views: 140<br />Downloads: 2en
local.search.authorHerd, Robert Men
local.search.authorDonoghue, Ken
local.search.authorBird, S Hen
local.search.authorHegarty, Rogeren
local.search.authorArthur, P Fen
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School of Environmental and Rural Science
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