Wheat and rye chaff should never be used as a feed for horses

Wheat and rye chaff should never be used as a feed for horses

Chaff. Wheat and rye chaff should never be used as a feed for horses. The beards frequently become lodged in the mouth or throat and are productive of more or less serious trouble. In the stomach and intestines they often serve as the nucleus of the "soft concretions," which are to be described when treating of obstructions of the digestive tract.

Fonte: Diseases of the Horse