Acknowledgements have been added as follows
Financial support was provided by the AgResearch Curiosity fund, the MBIE funded Genomics for Production and Security Programme, the microbes to predict methane project funded by Global Partnerships in Livestock Emissions Research (SOW-AGR-GPLER-SP5), the Pastoral Greenhouse Gas Research Consortium (PGgRc.co.nz) and New Zealand Agricultural Greenhouse Gas Research Centre. (NZAGRC.org.nz).