NZAGRC Annual Report 2018

Low Methane trait looks positive for meat and milk

Preliminary analysis showed that there are differences between the lines in fat and lean proportions of carcass. Additional detailed meat quality measures on a subset of ram lambs show that the low methane animals had no difference in intra-muscular fat and significantly higher branched chain fatty acids. This has potential positive implications not only for meat quality but also for milk quality and even for subsequent lamb growth in low emitting sheep. Breeding values were estimated for PAC traits using both pedigree (eBV) and molecular or genomic information (mBV). A module to automate estimation of breeding values for the national flock has been developed in collaboration with Beef + Lamb New Zealand Genetics (B+LNZG).

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