Two things, you aren't necessarily trying to achieve the identical balance. Most of the research in this area is finding the particular bacteria that are impor

Two things, you aren't necessarily trying to achieve the identical balance. Most of the research in this area is finding the particular bacteria that are important to repopulate the ill gut. The aim is to eventually transplant only the important bugs or just grow the important ones and skip the fecal donors all together. The other issue is that it would be very hard to get a fecal sample that hasn't been exposed to O2.