Genomic heritabilities and genomic estimated breeding values for methane traits in Angus cattle

Hayes, B. J., Donoghue, K. A., Reich, C. M., Mason, B. A., Bird-Gardiner, T., Herd, R. M. and Arthur, P. F. (2016) Genomic heritabilities and genomic estimated breeding values for methane traits in Angus cattle. Journal of Animal Science, 94 3: 902-908. doi:10.2527/jas2015-0078


Author Hayes, B. J.
Donoghue, K. A.
Reich, C. M.
Mason, B. A.
Bird-Gardiner, T.
Herd, R. M.
Arthur, P. F.
Title Genomic heritabilities and genomic estimated breeding values for methane traits in Angus cattle
Journal name Journal of Animal Science   Check publisher's open access policy
ISSN 1525-3163
0021-8812
Publication date 2016-03-01
Sub-type Article (original research)
DOI 10.2527/jas2015-0078
Open Access Status Not Open Access
Volume 94
Issue 3
Start page 902
End page 908
Total pages 43
Place of publication Champaign, IL, United States
Publisher American Society of Animal Science
Collection year 2017
Language eng
Abstract Enteric methane emissions from beef cattle are a significant component of total greenhouse gas emissions from agriculture. The variation between beef cattle in methane emissions is partly genetic, whether measured as methane production, methane yield (methane production/DMI), or residual methane production (observed methane production – expected methane production), with heritabilities ranging from 0.19 to 0.29. This suggests methane emissions could be reduced by selection. Given the high cost of measuring methane production from individual beef cattle, genomic selection is the most feasible approach to achieve this reduction in emissions. We derived genomic EBV (GEBV) for methane traits from a reference set of 747 Angus animals phenotyped for methane traits and genotyped for 630,000 SNP. The accuracy of GEBV was tested in a validation set of 273 Angus animals phenotyped for the same traits. Accuracies of GEBV ranged from 0.29 ± 0.06 for methane yield and 0.35 ± 0.06 for residual methane production. Selection on GEBV using the genomic prediction equations derived here could reduce emissions for Angus cattle by roughly 5% over 10 yr.
Keyword Beef cattle
Genomic estimated breeding values
Methane
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
Queensland Alliance for Agriculture and Food Innovation
 
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Created: Thu, 07 Jul 2016, 11:44:56 EST by Anthony Yeates on behalf of Learning and Research Services (UQ Library)