According to Dr. Elaine Ingham, "the compost tea lady", a large compost pile designed to be anaerobic can consume cow carcasses. It does take several months.
aerobic - with oxygen
Anaerobic decomposes as well but it is not compost. Anaerobic decomposition is putrefaction and creates the "smell of death"
Yes, there is a trend for anerobic teas. But it didnt come from Elaine Ingham.