how do you say hay like the hay you feed for horses in spanish

The Spanish word for hay as in the dried grass fed to horses is heno. You can say “heno para caballos” for “hay for horses”.

Quick note

• heno = hay, the dried grass used as animal feed.

• hay in Spanish is a different word and usually means there is / there are.

Example

• Necesito comprar heno para mis caballos.
  “I need to buy hay for my horses.”

If you want, I can also give you the Spanish word for straw and feed so you can compare them.