The most sure-fire way to deal with such a stubborn dog is to change its food gradually. This usually means mixing 75% of the old food with 25% at first. If the .
Is it OK to switch dog food within the same brand?
The transition should be made gradually, even within the same brand, since the foods likely have different protein and/or carbohydrate sources. However, if she has any dietary intolerances or allergies, there is a chance that she could experience gastrointestinal upset (vomiting, diarrhea, or a loss of appetite).
Is it OK to switch up your dog's food?
Switching your dog's food abruptly can cause gastrointestinal upset such as vomiting, diarrhea, and a decreased appetite. Any time you decide to change your dog's food, you should transition to the new diet gradually in order to give your dog's system time to adjust to the change.
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