FMT Using Animal Feces; FMT from animals Donors 

Yes, there are various historical reports of people eating animal feces with successful health benefits, but I see that wikipedia says it's likely a myth. It's something that I and many others have considered due to desperation and no better options. Some people have even tried it with success.

Human-to-human FMT is already a huge black box, and animal-to-human is even more so. There are hundreds of FMT human studies but none that I know of from animals to humans. I think it's harder to screen an animal for health & microbiome status than it is a human. Animals can more easily pick up a pathogen given their natural behavior of licking things and eating off the ground. Most animals have much shorter lives than humans. Perhaps the pathogens they pick up contribute to this, and perhaps it's something that can be passed on to humans.

There was an anecdote about the Hadza eating raw animal colon, and thus essentially doing FMT from animals:

Podcast EP 307 – Jeff Leach (Microbiome Expert / Anthropologist) https://chrisryanphd.com/307-jeff-leach-microbiome-expert-anthropologist/

37:00 - talks about the hadza eating the colon & stomach of an impala raw.

Jeff Leach also covers this in one of his blogs: https://web.archive.org/web/20160605005649/http://humanfoodproject.com/please-pass-microbes
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But the Hadza have pathogens and doing FMT from them doesn't have a great track record. Jeff Leach did it without reported benefits, and another patient did it resulting in long-term detriments.

Overall I would say that it has the potential for benefit but seems much more risky.
 
Are there any studies or hypothesis in current literature about the possible impact of doing FMT from apes as donors?

I can only theorize and hypothesize with my current knowledge, that it would be detrimental. I assume that our microbiomes are vastly different to apes specifically because we aren’t descended from them, rather we are “cousin” species.

But what if? Could it be viable? Are there any studies hypothesizing risks and opportunities?
 
There's also another thread here that mentions primates:
"Alternative" donors (cross-species and "primitive" tribes)

IsthmusSIBO said:
Are there any studies hypothesizing risks and opportunities?
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I don't remember seeing any such thing, and based on how conservative most research seems to be, I'd be extremely surprised if any researcher decided to pursue that path.

There have been a few people on various social media sites who said they used Animalbiome.com's dog poop. They've reported mixed results. One person said it helped them, another said it didn't do anything, and I think a third said it either didn't do anything or it was detrimental.

Unfortunately, most people lack the intelligence to recognize the value & need of systematically documenting their experiences somewhere, such as on this forum. So random hearsay is what we're often stuck with. Also, the person who said they benefited from it later showed themself to be a very untrustworthy source of information.

The wiki page on Animal Models is also relevant: https://humanmicrobiome.info/animal-models/
 
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