Disclosed are methods for improving the digestibility of high-moisture grain feed and/or rehydrated grain feed for animals which comprises a) processing the grain feed into fragments and b) contacting the grain feed fragments of step (a) with at least one starch hydrolase which is stable and active at a pH less than 5.0, optionally at least one protease, in combination with at least one inoculant comprising at least one bacterial strain.
