The Best Can Rabbits Eat Barley Straw Ideas. Speaking of hay for rabbits, some great supplements would come by way of heavy foods such. I know people who feed barley straw to horses.

While not very absorbent, barley straw is a safe substrate to use in litter areas, however, keep your eyes out for any long sharp strands which may be a hazard to the rabbit’s. They can expand inside a rabbit’s stomach, causing gas, pain, and blockages. Can rabbits eat whole barley?