Can I feed round oat hay bales free choice to horses this winter?

You can feed oat hay, but feed it to mature horses and make sure nitrate levels are at acceptable levels.
Oat hay is not a commonly fed hay but can be an effective hay for older horses. The oat hay needs to be harvested in the soft dough stage when the leaves and stems are still green. If the oat hay is harvested when the plant is more mature and only a small amount of grain remains, the forage has …