Not quite germane to tanning critter hides, but for simply saving stuff like that for dubbing and hairs I would simply throw a patch of it in the microwave and nuke it to kill any creepy crawlies that might contaminate the rest of the materials. Ditto self-processed bird skins.
"You can lead a man to logic, but you cannot make him think." Joe Harz
"Always certain, often right." Keith McCafferty
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