Awful lot to be intestinal shedding......and looks different than what I've seen but maybe because it's dried. Looks more like something it ate...an edible thing or not.
You likely wont, except round and tape worms, all others signs are microscopic.
Yup!!
Ditto Dat^^^
Bug check notes:
Have you checked them over real well for mites and/or lice?
Google images of lice/mites and their eggs before the inspection so you'll know what you're looking for.
Part the...