No the goats would eat it.
You can find it in the same spot you find the boxes. It must be either bought from the shop (straw and bark bedding) or grown as crops (straw and flax bedding).
Straw or hay
It does not matter. The straw will decompose into compost as well as the manure.
It is not recommended for horses to eat straw bedding as it can cause blockages in their digestive system if consumed in large quantities. It is best to provide horses with appropriate and safe forage and feed to prevent any health issues.
Use it as their bedding, but there's nothing to stop them eating it if they want.
they sell it in the secret store
If a horse is hungry straw is similar enough to hay that they will eat it.
Hay is dried grass used as animal feed or bedding, straw is the dry stalks of cereal plants used for animal bedding or mulch, and propane is a colorless gas used as a fuel for heating, cooking, and powering vehicles. They are all different in their composition, purpose, and usage.
To eat NO absolutely not! It is good for bedding though!
Straw provides a cheap bedding for use in stables and other farm animal housing units.
For Howrse, it's straw.
On Howrse Quiz it's Straw