when the nutrients in a diet are provided individually through supplements and additives, our pets miss out on all of the many interactions between the food constituents in whole food. immunomodulation by processed animal feed: the role of maillard reaction products and advanced glycation end-products (ages). immunomodulation by processed animal feed: the role of maillard reaction products and advanced glycation end-products (ages). immunomodulation by processed animal feed: the role of maillard reaction products and advanced glycation end-products (ages). 2018 sep …