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Old 12-15-2011, 10:20 PM
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Quote:
Originally Posted by OpalCat View Post
But don't some animals survive on things like bark and tree leaves? So wouldn't that be nutritionally in the same at least ballpark as cardboard? (I seriously don't know the answer, which is why I'm asking). It would seem if that's the case then some animals might survive (though not thrive, surely) on cardboard. I don't think rats are one of those, however...
Ruminants (cows, etc), termites, and some other animals have symbiotic microbes in their digestive tracts that digest cellulose and provide the nutrients to the animal host. Rats, however, are not one of them.

To a termite, cardboard would be like crepes suzettes.