AIC	Akaike information criterion
BCFA	Branched-chain fatty acid
BHBA	Beta-hydroxybutyrate
BIC	Bayesian information criterion
CCC	Concordance correlation coefficient
CH3	Methyl
CH4	Methane
CH2COOH	Acetate
CLA	Conjugated linoleic acid
CO2	Carbon dioxide
CoM	Coenzyme M
CoB	Coenzyme B
EPA	Environmental Protection Agency
FA	Fatty acid
Fdox	Ferredoxin-oxidized
Fdred	Ferredoxin-reduced
GF	GreenFeed
GHG	Greenhouse gas
GWP	Global warming potential
H2	(Di) hydrogen
H2O	Water
H4MPT	Tetrahydromethanopterin
IPCC	Intergovernmental Panel on Climate Change
LCFA	Long-chain fatty acid
MFR	Methanofuran
MG	Mammary gland
MUFA	Monounsaturated fatty acid
N2O	Nitrous oxide
OBCFA	Odd- and branched-chain fatty acid
OCFA	Odd-chain fatty acid
PUFA	Polyunsaturated fatty acid
RC	Respiration chamber
RFID	Radio-frequency identification
RMSE	Root mean squared error
RMSPE	Root mean squared prediction error
SF6	Sulfur hexafluoride
SFA	Saturated fatty acid
SMCFA	Short- and medium-chain fatty acid
UFA	Unsaturated fatty acid
VFA	Volatile fatty acid