feces...

DrIndy

its more the smell and the fact it comes from your arse that makes it unattractive and people don't eat it.

certain herbivores, notably rabbits do eat their own crap, but this is because they are not ruminants like a cow and cannot digest in their 4 stomachs. They rely on the bacteria in their small intestine instead to digest cellulose. Rabbits have 2 different crap, one greenish that they eat and the second brown and drier which they do not.

Dogs have an instinct to eat crap - this is because when they were wolves, they would eat moose/deer faeces - which contained a lot of unabsorbed nutrients and vitamins. they also have an instinct to roll in it to cover their own scent which is particularily revolting.

Do you know horses eat a phenomenal amount of grass to keep themselves going? This is why, cows are more efficient.

BEAT

what I find most facinating is that I started this thread for a laugh, and now it has turned into a serious debate...yay for green poo
go me!