Processors already implementing human food safety requirements, such as brewers, would not need to implement additional preventive controls or Current Good Manufacturing Practice (CGMP) regulations when supplying a by-product (e.g., wet spent grains, fruit or vegetable peels, liquid whey) for animal food, except to prevent physical and chemical contamination when holding and distributing the by-product. This regulation applies to human food facilities that both donate or sell a by-product for use in animal food. Labeling that identifies the by-product by the common or usual name must be affixed to or accompany human food by-products for use as animal food when distributed.
Further processing a by-product for use as animal food (e.g., drying, pelleting, heat-treatment) would require compliance with CGMPs to ensure the animal food’s safety and to make sure that the processing does not introduce hazards to the animal food. The company can choose to follow either the human food or animal food CGMPs when further processing the by-product. In addition, unless they are a qualified facility or otherwise exempt from subpart C (hazard analysis and preventive controls) the facility would need to assess its processing and determine whether there are any hazards that would require a preventive control. A facility that appropriately determines through its hazard analysis that there are no hazards requiring a preventive control would document such a determination in its hazard analysis but would not need to establish preventive controls.