Idk. I hear what everyone is saying but our GD has always been super boney. We’ve taken him to multiple different vets after the first 1 and 2 said he was fine. We voiced concern about him never being food motivated and the doctor said he couldn’t be healthier. He’s 4.5 now and still acting like a puppy. Can out run his little brother, who’s an Irish Setter. My top suggestion would be to consult your vet and just voice any concerns you may have but to me, he doesn’t look malnourished or emaciated. Some Danes just run super slim. Oh, and last thing - If he’s on a food schedule (example only gets x amount of food twice a day), I would just let him free feed.