My only advice would be to be aware that 95% of Canines are actually allergic to:
Chicken by products
Chicken meal
Chicken
Grapes (toxic)
Raisins
I would suggest a lamb with rice or lamb with ancient grains, blueberries and sweet potato.
Taste of the Wild is a wonderful brand for puppies or in adult form.
Also Edgard and Cooper - a ibt expensive however, amazing.
The Norwegian Salmon with sweet potato, beetroot, blueberries and pumpkin.
These 2 canine products are free of chicken meal and chicken by products.
For a treat: Greek natural yogurt of cottage cheese with melon or de-cored apple and blueberries. A banana once a week, due to the high sugar.
We have 2 French bulldogs, three years old.
Best wishes.