Get him an all over puppy cut and soon it will grow back in to match that, then you an grow him out again. There is not much else you can do right now. Neither of my vets shaved my boys legs during their neuter, they just worked around the hair. They had the belly shave though, but at least that was not as obvious. Hows Rizzo doing?
__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.” ― Dean Koontz |