Hair of the dog food: ingredients from booze byproducts

Purina PetCare introduced a dog treat made from spent brewery grains. The dog treat will be available only in their Netherlands market for a six-week trial run.


By-product from the brewing industry, such as yeast, have served as pet food ingredients since before the coining of the portmanteau “upcycling” in the 1990s. Upcycling involves taking wasted or otherwise lower cost materials and creating higher valued items. Beer brewing and alcoholic fermentation produce waste materials, including grains leached of their sugars in the brewing process. These spent grains still have nutritional value as a pet food ingredients. Read more.

Wall, Tim. “Hair of the Dog Food: Ingredients from Booze Byproducts.” PetfoodIndustrycom RSS,, 4 Mar. 2021,