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teacup of sunshine
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Join Date: Mar 2008
Location: curator of the WTFbus museum
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May 30th, 2009, 11:22 AM
I think they get it from "meal" made from slaughter byproducts that include marrow and brains and stuff.
I'm not 100%, I haven't had to write a paper on it for...god, almost 8 years now.
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