Guinness has been biting his nails ESP the nail on the side of his foot, is this normal? I look at this nail on the side and it's half bit off!! their is no blood or anything but I am worried about him. any advice?? also in between his paws are very red. I'm assuming allergies and he is licking and biting to stop the itching. He is on Fromm pork and applesauce. Going to have an allergy test done
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