A dogs health is very crucial for their daily active life and a pet parent should be very concern about them. A pet parent should look out for how to improve a dogs health in every possible way.
Dog food allergy can be of two types. Either your dog can be sensitive/intolerant towards some food items, or the dog may have a skin allergy as a reaction to some food. Both of them are treatable and detectable in most cases. Such allergies have mild symptoms, and if treated at the right time, they can go away.