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Title: Across-country prediction of methane emissions using rumen microbial profiles
Contributor(s): Hess, M K (author); Donaldson, A (author); Robinson, D L  (author)orcid ; Hess, A S (author); McEwan, J C (author); Oddy, V H  (author)orcid ; Rowe, S J (author)
Publication Date: 2021
Open Access: Yes
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Rumen microbial profiles have been shown to be accurate predictors of methane emissions in a variety of species, however, it can be very costly and slow to generate a dataset with a sufficient number of individuals measured for methane who also have had rumen samples collected and processed into rumen microbial profiles for these benefits to be applied in industry. We evaluated the potential of combining datasets from New Zealand and Australian sheep to improve our ability to accurately predict methane emissions in Australian sheep. Prediction of Australian sheep methane emissions using rumen microbial profiles and phenotypes from New Zealand was possible, however, it was important to closely match the diets the sheep were fed to have confidence in the predictions. Prediction accuracies of Australian sheep methane emissions were higher when training on data collected on Australian sheep than training on New Zealand sheep; however augmentation of New Zealand data collected on a similar diet enabled more complex models to be run and an improvement in prediction accuracy.

Publication Type: Conference Publication
Conference Details: AAABG 2021: 24th Conference of the Association for the Advancement of Animal Breeding and Genetics, Online Event, 2nd - 4th November, 2001
Source of Publication: Proceedings of the Association for the Advancement of Animal Breeding and Genetics, v.24, p. 163-166
Publisher: Association for the Advancement of Animal Breeding and Genetics (AAABG)
Place of Publication: Armidale, Australia
ISSN: 1328-3227
Fields of Research (FoR) 2020: 300305 Animal reproduction and breeding
300307 Environmental studies in animal production
370203 Greenhouse gas inventories and fluxes
Socio-Economic Objective (SEO) 2020: 100199 Environmentally sustainable animal production not elsewhere classified
190302 Management of greenhouse gas emissions from animal production
190301 Climate change mitigation strategies
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
Description: Paper presented by M K Hess
Appears in Collections:Conference Publication
School of Environmental and Rural Science

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