If a specific grain causes a health issue in a Vizsla, what is this typically an indication of, rather than a condemnation of all grains?

Answer

An allergy or sensitivity

Negative reactions to a specific grain usually point toward an individual sensitivity or allergy, meaning other high-quality carbohydrate sources might be suitable.

If a specific grain causes a health issue in a Vizsla, what is this typically an indication of, rather than a condemnation of all grains?
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