Cats can develop food sensitivities just like dogs, and the process for identifying the trigger works on the same basic principle — feed one clear protein, eliminate everything else, and watch closely. Here's how to approach it for a cat specifically.
Signs of a Possible Food Sensitivity in Cats
A few symptoms worth paying attention to:
- Chronic itching, especially around the head, neck, or ears
- Vomiting or diarrhea that isn't explained by anything else
- Excessive grooming or hair loss in specific areas
- Recurring ear or skin infections
Cats can also have food sensitivities that show up primarily as digestive symptoms without any skin involvement at all, so don't rule it out just because your cat isn't itchy.
Why Elimination Diets Work Differently for Cats
Cats are obligate carnivores with narrower nutritional flexibility than dogs, and they can also be notoriously particular about texture and flavor — which makes elimination diets a bit trickier to execute. A cat that simply refuses to eat an unfamiliar food can complicate a trial before it even gets started, so choosing a recipe your cat will actually accept matters as much as choosing the right protein.
Single-Protein Options in Open Farm's Cat Lineup
Open Farm's cat food isn't all single-protein, but a few options work well for an elimination approach:
- Grain-Free Wild Salmon Dry Cat Food — single fish protein
- Grain-Free Pasture-Raised Lamb Dry Cat Food — a less commonly fed protein, useful if your cat hasn't had lamb before
- Grain-Free Salmon Pate Wet Cat Food — a wet, single-protein option for cats who won't eat dry food during a trial
Lamb in particular can be a useful novel protein for a trial, since it's less commonly used in mainstream cat food than chicken or fish.
Running the Trial
The same basic structure applies as with dogs: feed the single chosen protein exclusively — no other treats, table scraps, or flavored medications — for 8 to 12 weeks, then reintroduce other proteins one at a time if symptoms improve, watching for a return of symptoms with each reintroduction.
Getting Your Vet Involved
This is genuinely one of those situations where professional guidance pays off. Your vet can help rule out other causes of your cat's symptoms (fleas and environmental allergies are actually more common triggers than food), recommend an appropriate novel protein based on your cat's specific feeding history, and help interpret the results of the trial accurately.
Wet vs. Dry During a Trial
If your cat is a picky eater, wet food is sometimes easier to get a reluctant cat to accept during a diet change than dry kibble, and it has the added benefit of supporting hydration during what can already be a stressful process for the cat. Either format works for an elimination trial as long as it's strictly one protein.
Shop Single-Protein Cat Food at The Hungry Puppy
You can find Wild Salmon, Pasture-Raised Lamb, and Salmon Pate at The Hungry Puppy, along with the rest of our Open Farm cat food lineup.
We've been helping Farmingdale-area cat owners work through food sensitivities since 1987 — call us at 732-938-4470 if you're in the middle of a trial and need help sourcing the right recipe.