We rescued two puppies They're about 4 months old, their toenails are white but on top they are pure pearly white, like a brush of nail polish. Is this a sign of illness or deficiency?
No, other than the bright white streaks they look normal / healthy. Thanks for replying, I did not know if perhaps they'd had no sun light or something and maybe needed vitamins.
Just sounds like new nail growth from what you are describing. Can you see the blood vessel/quick in the nail starting below that whiter part? If so, time fir a nail trim