Meta-analysis quantifying the potential of dietary additives and rumen modifiers for methane mitigation in ruminant production systems

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dc.citation.issue4
dc.citation.volume7
dc.contributor.authorAlmeida AK
dc.contributor.authorHegarty RS
dc.contributor.authorCowie A
dc.coverage.spatialChina
dc.date.accessioned2024-11-20T22:15:23Z
dc.date.available2024-11-20T22:15:23Z
dc.date.issued2021-12
dc.description.abstractIncreasingly countries are seeking to reduce emission of greenhouse gases from the agricultural industries, and livestock production in particular, as part of their climate change management. While many reviews update progress in mitigation research, a quantitative assessment of the efficacy and performance-consequences of nutritional strategies to mitigate enteric methane (CH4) emissions from ruminants has been lacking. A meta-analysis was conducted based on 108 refereed papers from recent animal studies (2000-2020) to report effects on CH4 production, CH4 yield and CH4 emission intensity from 8 dietary interventions. The interventions (oils, microalgae, nitrate, ionophores, protozoal control, phytochemicals, essential oils and 3-nitrooxypropanol). Of these, macroalgae and 3-nitrooxypropanol showed greatest efficacy in reducing CH4 yield (g CH4/kg of dry matter intake) at the doses trialled. The confidence intervals derived for the mitigation efficacies could be applied to estimate the potential to reduce national livestock emissions through the implementation of these dietary interventions.
dc.description.confidentialfalse
dc.edition.editionDecember 2021
dc.format.pagination1219-1230
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/34754963
dc.identifier.citationAlmeida AK, Hegarty RS, Cowie A. (2021). Meta-analysis quantifying the potential of dietary additives and rumen modifiers for methane mitigation in ruminant production systems.. Anim Nutr. 7. 4. (pp. 1219-1230).
dc.identifier.doi10.1016/j.aninu.2021.09.005
dc.identifier.eissn2405-6383
dc.identifier.elements-typejournal-article
dc.identifier.issn2405-6545
dc.identifier.piiS2405-6545(21)00169-4
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/72040
dc.languageeng
dc.publisherElsevier B.V. on behalf of KeAi Communications Co. Ltd
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S2405654521001694
dc.relation.isPartOfAnim Nutr
dc.rights© 2021 Chinese Association of Animal Science and Veterinary Medicine
dc.rightsCC BY-NC-ND 4.0
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectBeef cattle
dc.subjectDairy cattle
dc.subjectGreenhouse gas
dc.subjectMethane emissions abatement
dc.subjectSheep
dc.titleMeta-analysis quantifying the potential of dietary additives and rumen modifiers for methane mitigation in ruminant production systems
dc.typeJournal article
pubs.elements-id479064
pubs.organisational-groupOther
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