Sprouted grains date back millennia, with primary use in the brewing industry and some applications in baked foods. Recently there has been a growing interest in sprouted grains and malt, beyond a flavoring (think malted milk), for their potential nutritional and health value.
Beyond grain free: Sprouted grains and malt for dogs and cats
Sprouted grains and malt, once a staple for brewing, are finding utility in pet foods