Semican Alfalfa Cubes Horse FeedSemican Alfalfa Cubes Alfalfa Cubes for horses are built to offer horses alfalfa in the form of a cube instead of as hay. With the ability to be mixed into feed or soaked, the cubes are great for horses who struggle chewing and swallowing forages. Alfalfa cubes contain a high level calcium that acts as a stomach buffer for digestive upset. Alfalfa horse feed cubes Designed to be mixed into the feed and or soaked Great solution for horses that struggle