Kip has 2 cracks on his right front paw pad. It is not raw, no bleeding, and I don't know if it is painful. He is not limping, so I don't think it is. I wonder what caused this? We rarely walk on asphalt, mainly just grass and dirt roads. Any ideas?? I'm going to ask the vet about this when I take one of my other dog's in next week for an appt.