Adler's claim is inconsistent with existing EPA figures, which
estimate enteric fermentation and manure at 32 percent of emissions.
Not exact matches
This encompasses an 8.4 % increase in CH4 from
enteric fermentation (digestion) in dairy cows and other cattle and a 36.7 % increase in manure management CH4 compared to IPCC - based
estimates.
Secondary attack rates will be
estimated among household contacts of acute
enteric fever cases and possible chronic carriers.
A few minutes of searching turned up this Global Methane Inventory from GISS,
estimating the contribution from
enteric fermentation (i.e. cow farts) plus animal waste (manure) at 21 %, with rice cultivation at 12 %.