Alfalfa Pellets, Granules or Cubes. Alfalfa pellet mill can help you make dehydrated alfalfa hay into pellets or granules easily. Generally, the diameter of alfalfa pellets is made to be 6-8mm. Dehydrated alfalfa granules are ideal fodder for rabbits, ostriches, goats, pigs, sheep etc.. The following is the benefits of Feed Pellets. Alfalfa Cubes.