I wanted to buy wheat grass for my guinea pigs for a treat, so i wanted to know if cat grass was the same thing, and if it was safe to give to guineapigs to eat. I saw it at the pet store and was woundering if it was okay for them to have. If not i can just buy wheat grass seeds. But is wheat grass the same as cat grass, and if so is it safe for guinea pigs to eat? Thanks in advanced :] i basically wanted to know if cat grass was the same thing as wheat grass, so is it????