No, guinea pig hay won't cause any problems to cats.
Ask a vet they will know
It's not deadly but you shouldn't let it happen. It can cause the guinea pig to get sores on their feet and similar problems.
It is spelled "guinea pig". You got it right! :)
An overgrown guinea pig nail is long and normally curled. If the nail isn't clipped, then the curled nail can begin to grow underneath the guinea pig's paw and cause pain. A guinea pig's claws should be clipped once a month.
I don't have a guinea pig.
guinea pig
A Guinea Pig..
Guinea pig's parents:)
a guinea pig.
קביה that is guinea pig in Hebrew
guinea pig