Can guinea pigs eat grass?
Hay and grass should make up 85–90% of the diet (PDSA). Freshly picked grass is good, but never lawn mower clippings, which ferment quickly (PDSA, RSPCA).
How to serve it: picked or cut with scissors
Questions
Can rabbits eat grass?
Yes, as fresh food. Hay and grass are the basis of the diet: about 85% (RSPCA). Introduce fresh grass slowly (PDSA), and never feed lawn mower clippings.
Sources
Last checked: October 2026