Scales are a good way to ensure that you are feeding the correct weight of hay for your horse. The scales can be hung from a doorway for example and the weight can be read in Kilograms or pounds. The average thousand-pound horse that relies on hay for all his forage typically eats fifteen to twenty pounds of hay per day. The amount of hay your horse needs can vary greatly, depending on the size of a section of hay to the kind of hay and how much time he spends in his stable. It is useful therefore to weigh your filled hay net, and assess his condition. Consider the amount of hay or pasture your horse gets: Horses who are grazing on good pasture the majority of the day will not need much hay, if any. Horses that don't get much turnout or are not on good pasture will need more hay, whether they are inside or out. Assessing your horse's condition regularly will ensure he is getting adequate forage.