In the August 1, 2014, Federal Register, FDA issued a draft guidance for industry, Cell-Based Products for Animal Use, describing FDA's Center for Veterinary Medicine's current thinking on cell-based products for animal use that meet the definition of a new animal drug. The guidance specifies that new animal drug products intended for use in food-producing animals have the potential to affect edible tissues entering the human food supply. As with any investigational use of a new animal drug in food-producing animals, edible products of investigational animals are not to be used for food unless authorization has been granted by FDA. Comments are due September 30, 2014.

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