Animals are great regulators of what their bodies need. If your horse is after the salt block constantly, and you are seeing teeth marks in it, then he really needs more of it to balance his body. Learn more at Zamzows.com
It is estimated that 20% of all horses are over the age of 15 years old. It is not uncommon for horses to live to the age of 28-30 years old with proper diet and living conditions. This article discusses what to feed an older horse to ensure they are getting the nourishment they need.