BREAKING DOWN 'Unintentional Tort'. In certain cases, a person causing an accident may be held legally responsible for their negligence and may have to pay a plaintiff for physical injuries, property damage and/or financial loss.
Straw is normally used for a bedding material, while hay is used as a feed supplement. Straw is dried out and works well for building nests and providing cushioning for animals to sleep in. It is not moist like hay and is unlikely to mold.
For horses, the type of horse and dietary needs will mean a difference in the type, quantity, and quality of hay that is used. Straw can be made from a variety of grain crops, and regardless of where it comes from, its purposes are generally the same.