Animals most likely won't eat these feeds. Dispose of them or spread them on fields as fertilizer. It may be difficult or impossible to dry wet grain or hay naturally. Otherwise, spread them on fields as fertilizer or dispose of them. Small quantities may be dried naturally if broken apart.
Larger quantities are generally a loss because of the difficulty of drying.
Hay quickly spoils when wet and moldy hay may be dangerously toxic to animals. If possible, spread hay on fields as a fertilizer or dispose of it.