And that 3.4% is likely due to dead intestinal bacteria (which make up a significant fraction of feces), not undigested meat.

Because of my excessive output, we had to make a rig that had a hose extending from the ostomy bag that drained into a one gallon jug.

And rabbits run their food through twice: they in order to get more food value out of the plant matter they eat.

(For a more in-depth explanation of herbivore digestion, with lots of pictures, click here for an informative presentation (pdf) from the University of Alberta’s Department of Agriculture.) Humans, in contrast, don’t have gut bacteria that can digest cellulose.

Over time, fat would coagulate on the side walls of the ostomy bag, but never were there any solid pieces observed.” (Click for full article: Can Humans Digest Meat?

) Ruminants, including cattle, bison, deer, antelope, goats, and other red meat, have a special “extra stomach” called the rumen.

In other words, meat is digested by enzymes produced by our own bodies.

The primary reason we need our gut bacteria is to digest the sugars, starches, and fiber—found in grains, beans, and vegetables—that our digestive enzymes can’t break down.

Meanwhile, the surface of the small intestine absorbs anything that our enzymes have broken down into sufficiently small components—usually individual amino acids, simple sugars, and free fatty acids.

Finally our ileocecal valve opens, and our small intestine releases what’s left into our large intestine— And the reason we have a bacterial colony in our colon is because our own enzymes can’t break down everything we eat.

Often the hose would get clogged and my wife or sister would have to use a coat hanger wire to unplug it.

Now if vegan pseudoscience is right, we would suspect that the hose was being plugged by pieces of meat. I became so curious about this that I once swallowed the largest chunk of meat I could possibly get down without choking.

In the stomach, pepsin (another enzyme) breaks down proteins, and strong hydrochloric acid (p H 1.5-3, average of 2…this is why it stings when you vomit) further dissolves everything.