Our editorial team knows that a proper diet is the cornerstone of a healthy gerbil. These small desert rodents have unique nutritional needs that differ from other pocket pets. Getting their diet right prevents obesity, dental disease, and digestive issues.
Gerbils are omnivorous, requiring a balanced mix of seeds, grains, vegetables, and occasional protein. Their high metabolism means they need constant access to food, but portion control matters to avoid selective feeding.
Staple Diet: Pellets and Seed Mixes
A gerbil’s main diet should be a commercial pellet or a high quality seed mix specifically formulated for gerbils. Pellets are often preferred because they prevent selective eating, where a gerbil picks out favorite seeds and leaves the rest. Look for a mix with at least 12 14% protein and 4 6% fat.
Seed mixes can be used but should be low in sunflower seeds and peanuts, which are high in fat. A good mix includes oats, barley, millet, and flaked corn. Always provide a small dish of fresh food daily, and remove uneaten fresh foods after a few hours to prevent spoilage.
Supplement the staple diet with unlimited fresh hay, such as timothy hay. Hay provides fiber for digestion and helps wear down their continuously growing teeth.
Fresh Vegetables and Fruits as Treats
Gerbils enjoy small amounts of fresh vegetables and fruits as treats. Safe vegetables include broccoli, carrots, cucumber, and leafy greens like romaine lettuce. Fruits such as apple (without seeds), banana, and berries can be offered occasionally.
Introduce new foods gradually and in tiny portions, about the size of a pea. Too much fresh food can cause diarrhea. Remove any uneaten fresh produce after 2 4 hours to maintain hygiene.
Always wash produce thoroughly and avoid fruits high in sugar or citrus fruits, which can upset their stomach. A small piece once or twice a week is sufficient.
Protein Sources for Supplemental Health
As omnivores, gerbils benefit from occasional protein sources. Offer small amounts of plain cooked egg, mealworms, or a tiny piece of cooked chicken once or twice a week. This is especially important for pregnant or nursing females and growing pups.
Commercial gerbil treats often include dried insects. Avoid high protein dog or cat food as it contains inappropriate ingredients. Overfeeding protein can lead to obesity and kidney issues.
Protein treats should be no larger than a fingernail and given sparingly. Observe your gerbil’s weight and adjust accordingly.
Foods to Avoid and Hydration
Certain foods are toxic or harmful to gerbils. Never feed chocolate, caffeine, alcohol, raw beans, raw potatoes, onion, garlic, rhubarb, or avocado. Sugary and salty human snacks are also dangerous.
Fresh water must be available at all times using a sipper bottle with a metal ball tip. Change water daily and clean the bottle weekly to prevent bacteria. Gerbils are adapted to dry environments but still need constant access to clean water.
Avoid giving treats high in sugar or fat, such as yogurt drops or honey sticks, as they can cause obesity and diabetes in gerbils.