Nothing, really. You get a bite mark? It's fine. Nothing will happen. Don't worry.
it will squeek
guinea pigs bite them self because they are itchy SO GIVE THEM A BATH
If the guinea pig is not bleeding its okey but if it is then see your vet asap.
no ive never known guinea pigs bite
By bad guinea pig do you mean it bites? A guinea pig will only bite if it feels threatened, scared or hurt.
no you shouldn't be scared
If you get bitten by a guinea pig, all you need to do is tap your guinea pig gently on the nose which means "don't do that again" and then go and wash your hands. Don't get all stressed about it, this is perfectly natural for a guinea pig to, especially if it is a young male. Most guinea pig bites don't draw blood or hurt that much, so there's nothing to be worried about.
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muskrat
No,they are survivors.haha!just kidding i don 't know.
It sucks your blood
you get frost bite ;-)