He looks good, although it is hard to tell. 26kg for a 1yo is light, you would probably want him around 32kg. Although it is good to grow your pup slowly and he still has a bit of 'filling out' to do which should finish by about 3yo.
If it were me, I would fatten him up slightly and aim for 30kg. You could try adding Taste of the Wild dry kibble to his breakfast and dinner meals. Add 1 1/2 cups to each meal (total 3 cups for the day) and mix in with the egg/yoghurt and chicken/rice. Add some water and let it soak for about 15 minutes as this releases the oils from the dry kibble and makes it more palatable.
Otherwise, if he won't eat the dry kibble mixed in with your other food, you could increase the chicken or replace with a fattier meat such as lamb or goat etc.
if your GSD is eating and eating and eating and losing weight - please consider testing for EPI.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.