Guinea pigs (Dutch pigs) will not bite people, and are considered to be relatively tame. But the vision of the Dutch pig won't, if you don't see clearly when feeding food, biting is also unconscious and without malice,

But it's better not to touch them under the following circumstances to prevent biting;

First of all, don't suddenly go to scratch the Dutch pig when it's sleeping, eating, and secondly, don't try not to suddenly go to scratch the Dutch pig when it's in heat, pregnant and breastfeeding. Compared to hamsters and chinchillas and other safer, right, and even lower than the rabbit bite rate, but also can not be because of this to go as you wish to hold them and scratch them, the proverbial rabbit anxious still want to people it, the Dutch pig nibble a bite is also possible. As long as you study their habits, it's much safer.