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Published on July 18th, 2024
Updated on June 18th, 2026
Wondering what you should feed your new ferret to help them thrive? Check out our tips on feeding your ferret.
Ferrets have quickly grown in popularity as companions for good reason, and with that so has our knowledge and understanding of a species-appropriate diet necessary for their optimal health. Although many points of ferret parenting are compared to sharing a life with other pets, ferrets do require a specialized, unique diet to maintain their highest level of health. Ferrets are obligate carnivores and require a meat-based diet that is low in fiber and high in fat and protein. There are many options of ferret food available; however, some may have higher quality ingredients or higher meat content than others.
A healthy ferret will not generally binge-feed to a point of obesity, and due to their high metabolism and short digestive tract, most ferrets will do best with having food available at all times to graze on as they wish, so free-feeding is recommended. As ferrets can easily overheat and become dehydrated compared to some other pets, fresh water should always be available as well to ensure your ferret is getting proper hydration.
There are many high-quality ferret diets, offering you a variety of choices to pick the best diet for your companion. For growing juveniles or senior ferrets, there are commercial ferret diets that are specifically formulated with the specific needs of their life stage. Both dry and canned food can be given to ferrets; however, dried food is generally preferred for adult ferrets to aid in dental health. However, canned or water-softened food may be preferred for young ferrets, those with dental issues requiring softer food, or to encourage a picky eater.
While there are many dietary options out there for your ferret friend, there are some foods that should be avoided. Although some sources may advise that a high-quality cat food is an acceptable diet for ferrets, the nutritional needs of ferrets do vary considerably from those of cats, so it is not an ideal, species-appropriate diet. A diet formulated specifically for ferrets is much more likely to be nutritionally balanced; however, it is always a good idea to check the ingredients as not all are created equal, and those that have heavy plant-based ingredients can cause health concerns and should be avoided.
Treats are also an important part of a well-rounded diet but should be given only in moderation and not exceed 5 - 10% of your pet's total diet. Healthy treats include those that are meat or egg based, including cooked or freeze-dried muscle or organ meat. Sugary, dairy, or carbohydrate-rich foods should be avoided as these are difficult for ferrets to digest. Additionally, there are many types of supplements and vitamins available for your ferret; however, you should always consult with your veterinarian to see if these are recommended for your individual ferret's needs.
Whichever high-quality diet you choose, ferrets can be notorious for being finicky eaters and may refuse to change diets or have issues adjusting to a diet change. If you need to change your ferret's diet, it is best to do so gradually over the course of a week or longer to reduce the chances of digestive system upset for your companion. Always be sure to discuss any diet-related concerns with a veterinarian familiar with the care and needs of ferrets.
Choosing between dry kibble and wet (canned) food for your ferret doesn't have to be complicated. Use this table to weigh the key nutritional and practical differences at a glance — then talk with your veterinarian about the right fit for your ferret's life stage and health needs.
| Feature | Dry Kibble | Wet / Canned Food | Water-Softened Kibble |
|---|---|---|---|
| Typical crude protein | 30–40%+ | 40–55%+ | Same as dry base |
| Typical crude fat | 15–20%+ | 15–25%+ | Same as dry base |
| Typical crude fiber | ≤3% (aim lower) | ≤2% (aim lower) | Same as dry base |
| Moisture content | ~10% | ~75–82% | ~30–50% (varies) |
| Primary protein source | Meat meal or whole meat (check label) https://www.aafco.org/consumers/understanding-pet-food/ | Whole meat or meat broth https://www.aafco.org/consumers/understanding-pet-food/ | Same as dry base |
| Dental health benefit | Mechanical abrasion helps reduce tartar | Minimal dental benefit | Minimal dental benefit |
| Best life stage | Healthy adults | Juveniles, seniors, dental-compromised ferrets | Picky eaters, transition periods |
| Hydration support | Low — fresh water critical | High — contributes to daily fluid intake | Moderate |
| Spoilage risk | Low — stays fresh in bowl for grazing | High — discard uneaten portions within 1–2 hours | Moderate — discard within a few hours |
| Plant-based fillers (watch for) | Corn, peas, grains — avoid https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals | Vegetable thickeners, starches — minimize https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals | Same as dry base |
| Free-feeding friendly | Yes — supports grazing for high metabolism | No — must be portioned and refreshed frequently | No — dries out and spoils |
| Cost (general) | Lower per serving | Higher per serving | Lower (uses existing kibble) |
| Transition tip | Introduce new kibble over 7+ days | Mix with current food gradually | Add warm water slowly to soften |
Quick rule of thumb: Whatever format you choose, the first one or two ingredients should always be a named animal protein — chicken, turkey, lamb — never a grain, vegetable or sugar source. Ferrets are obligate carnivores whose short digestive tracts are built for meat, not plant matter. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
What do ferrets eat, and why does it matter so much? Ferrets are obligate carnivores, meaning their bodies are designed to derive all essential nutrients from animal-based protein and fat. Their digestive tracts are short and fast-moving, so a diet high in meat-based protein and fat — and very low in fiber and carbohydrates — is critical for their long-term health. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
Can ferrets eat cat food instead of ferret food? While a high-quality, high-protein cat food is sometimes suggested as a stopgap, it is not an ideal long-term diet for ferrets. Ferrets have distinct nutritional requirements that differ meaningfully from those of cats, and a diet formulated specifically for ferrets is far more likely to meet those needs. Always read the ingredient list and consult your veterinarian before substituting. https://www.aafco.org/consumers/understanding-pet-food/
How much of a ferret's diet should be treats? Treats should make up no more than 5–10% of your ferret's total daily diet. The most appropriate treat options are meat- or egg-based, such as cooked or freeze-dried muscle meat or organ meat. Sugary, dairy-based or carbohydrate-rich treats should be avoided entirely, as ferrets cannot digest them efficiently. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
Are any common foods toxic or dangerous for ferrets? Yes. Sugary foods, dairy products, grains and high-carbohydrate foods are difficult for ferrets to process and can contribute to serious health issues over time. If your ferret has ingested something potentially harmful, contact your veterinarian or the ASPCA Animal Poison Control Center immediately. https://www.aspca.org/pet-care/animal-poison-control
Should ferrets be free-fed or given scheduled meals? Free-feeding — leaving food available at all times — is generally recommended for ferrets. Because of their rapid metabolism and short digestive tract, most ferrets do best grazing throughout the day rather than eating one or two large meals. A wholesome ferret will self-regulate and is unlikely to overeat to the point of obesity. Fresh water should always be available alongside food. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
How should I switch my ferret to a new food? Ferrets are famously finicky eaters and can resist diet changes. To minimize digestive upset, transition to any new food gradually over the course of at least one week — mixing increasing amounts of the new food into the current diet each day. If your ferret continues to refuse the new food or shows signs of digestive distress, consult a veterinarian familiar with ferret care before proceeding.
What do ferrets eat in the wild? In the wild, ferrets are obligate carnivores that hunt and consume whole prey — including muscle meat, organs and bones. This means their bodies are built to digest animal protein and fat efficiently, with very little ability to process plant matter or carbohydrates. A species-appropriate diet at home should mirror this as closely as possible. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
How much should I feed my ferret, and how often? Because ferrets have a rapid metabolism and a short digestive tract, free-feeding — keeping food available at all times — is the recommended approach for most adult ferrets. A wholesome ferret will self-regulate and is unlikely to overeat to the point of obesity. Fresh water should always be available alongside food to prevent dehydration. If you have concerns about your ferret's weight or appetite, consult your veterinarian. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
Can ferrets eat vegetables, fruit or other human foods? No — ferrets lack the digestive enzymes needed to break down plant matter effectively. Vegetables, fruit and grain-based foods are high in fiber and carbohydrates, which can cause digestive upset and may contribute to serious health concerns over time. Sugary foods, dairy products and anything carbohydrate-rich should be kept away from your ferret entirely. Stick to meat- or egg-based treats, and when in doubt about a specific food, check with your veterinarian before offering it. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals
What human foods are toxic or dangerous to ferrets? Several common household foods pose real risks to ferrets. Sugary snacks, fruit, raisins, onions, garlic, dairy products and anything containing xylitol (an artificial sweetener found in many human foods) should never be offered. The ASPCA Animal Poison Control Center is a reliable resource if you suspect your ferret has ingested something harmful — contact your veterinarian or an emergency animal clinic immediately in that situation. https://www.aspca.org/pet-care/animal-poison-control
Is cat food an acceptable substitute for ferret food? High-quality cat food is sometimes suggested as a short-term option, but it is not an ideal long-term diet. Ferrets have distinct nutritional requirements — including higher protein and fat levels and a near-zero tolerance for carbohydrates — that differ meaningfully from those of cats. A diet formulated specifically for ferrets is far more likely to meet those needs. Always check the ingredient list: foods with heavy plant-based ingredients are not appropriate for ferrets. Look for named meat sources listed first. https://www.aafco.org/consumers/understanding-pet-food/
How do I know if a ferret food is nutritionally complete? Look for a nutritional adequacy statement on the label — sometimes called an AAFCO statement — which indicates the food has been formulated to meet established nutrient profiles. For ferrets specifically, prioritize foods with a named animal protein (such as chicken, turkey or lamb) as the first ingredient, a high crude protein content (ideally 30–40%), high fat content (15–20%) and minimal to no grain, fruit or vegetable ingredients. When evaluating any new diet, your veterinarian is your best resource for guidance tailored to your individual ferret. https://www.aafco.org/consumers/understanding-pet-food/
This article was created with assistance from AI tools and reviewed for accuracy by Petco's content team.