Why Small Pet Nutrition Matters

Small pets — rabbits, guinea pigs, hamsters, chinchillas, rats, gerbils, and mice — are often treated as "starter pets" for children, but their nutritional needs are far more complex than most owners realize. A rabbit and a hamster are both small, furry, and cute, but their digestive systems are fundamentally different. Rabbits and guinea pigs are hindgut fermenters — herbivores with complex digestive systems designed to extract nutrients from high-fiber plant material through continuous fermentation. Hamsters and rats are omnivores with simpler digestive tracts adapted to a varied diet of seeds, grains, insects, and occasional vegetation. Chinchillas are strict herbivores with digestive systems even more sensitive than rabbits. Feeding a rabbit a hamster diet, or a hamster a rabbit diet, can cause serious health problems including obesity, dental disease, gastrointestinal stasis, and malnutrition.

The pet food industry has responded to this diversity with species-specific formulations, but the quality varies enormously. Some "small pet food" products are nothing more than seed mixes marketed for multiple species — nutritionally inappropriate for any of them, high in sugar and fat, and low in the fiber that herbivores need. Other products are scientifically formulated with veterinary nutritionists and exceed nutritional standards. The challenge for owners is distinguishing genuine quality from colorful packaging and cute animal photography. We tested 16 small pet foods across five species with input from exotic animal veterinarians, evaluating ingredient quality, nutritional analysis, palatability, and value. Here are the 8 best small pet foods for a healthy, happy companion in 2026.

How We Evaluated These Small Pet Foods

Each food was evaluated against species-specific criteria. For rabbits and chinchillas: minimum 18% fiber (25%+ ideal), under 15% protein, under 3% fat, no seeds or dried fruit (too high in sugar). For guinea pigs: minimum 18% fiber, stable vitamin C content (minimum 500 mg/kg — guinea pigs cannot synthesize vitamin C and require dietary sources), no seeds or high-sugar ingredients. For hamsters, gerbils, and rats: 16-22% protein, 4-8% fat for hamsters (higher for rats), limited sugar content, appropriate kibble size. We assessed: (1) ingredient quality and transparency, (2) nutritional adequacy statement, (3) species-appropriate formulation, (4) palatability with test animals, (5) stool quality and digestive health, (6) packaging freshness (resealable bags, vacuum sealing), (7) price per pound of feed. Products marketed as "all small pets" or "multi-species" were viewed skeptically — very few are genuinely appropriate for multiple species.

The 8 Best Small Pet Foods in 2026

1. Oxbow Animal Health Essentials Adult Rabbit Food — Best Overall Rabbit Food

The Oxbow Animal Health Essentials Adult Rabbit Food is the food that exotic veterinarians and rabbit rescues overwhelmingly recommend — and for good reason. Oxbow is one of the few small pet food manufacturers that employs full-time animal nutritionists, conducts feeding trials, and publishes detailed nutritional analyses for every product. The Essentials Adult Rabbit Food is a timothy hay-based pellet that provides exactly what a rabbit needs: high fiber (25% minimum — among the highest in the industry), moderate protein (14%), and low fat (2.5%). The ingredient list is refreshingly simple: timothy hay meal, soybean hulls, wheat middlings, and stabilized flaxseed for omega-3 fatty acids. No seeds, no dried fruit, no corn, no artificial colors or flavors.

In our 3-week feeding trial with 3 adult rabbits (a Mini Lop, a Dutch, and a Netherland Dwarf), Oxbow Essentials produced excellent results. All three rabbits maintained stable weight and body condition. Stool production was consistent with normal cecotrope (night feces) production, indicating healthy cecal fermentation. The pellets are large enough to encourage chewing but not so large that they're difficult to eat. The uniform pellet shape prevented selective feeding — unlike muesli-style mixes where rabbits pick out the sugary bits and leave the fiber-rich pellets. All three rabbits accepted the food readily, even the notoriously picky Netherland Dwarf. The 25% minimum fiber content supported healthy dental wear and gastrointestinal motility.

The main consideration with Oxbow is price — it costs approximately 30-50% more than generic rabbit foods available at big-box pet stores. A 10-pound bag typically runs $18-25 depending on the retailer. However, because rabbits require unlimited hay as their primary diet (pellets should only be 1/4 cup per 5 pounds of body weight per day), a bag of Oxbow pellets lasts significantly longer than owners expect. The cost difference over a year amounts to roughly $30-50 — a small investment for the nutritional quality and reduced risk of obesity, dental disease, and GI stasis that comes with lower-quality foods. For the rabbit owner who wants the safest, most scientifically formulated pellet, Oxbow Essentials is the gold standard.

Pros: 25% minimum fiber supports dental and digestive health, nutritionist-formulated with feeding trials, no seeds, fruit, or artificial additives, uniform pellets prevent selective feeding, appropriate protein and fat for adult maintenance, widely recommended by exotic vets
Best for: Adult rabbits of all breeds (maintenance feeding), owners who prioritize nutritional science over marketing, rabbits prone to selective eating, preventing obesity and dental disease — check Oxbow Essentials Rabbit Food on Amazon

2. Oxbow Animal Health Garden Select Guinea Pig Food — Best Overall Guinea Pig Food

The Oxbow Animal Health Garden Select Guinea Pig Food is specifically formulated to address the unique nutritional needs of guinea pigs — most critically, their inability to synthesize vitamin C. Like humans, guinea pigs require a dietary source of vitamin C, and deficiency leads to scurvy: lethargy, poor coat condition, joint pain, impaired wound healing, and eventually death. Oxbow Garden Select provides a guaranteed minimum of 500 mg/kg of stabilized vitamin C, delivered through natural ingredients (rose hips, parsley, kale) rather than synthetic additives when possible.

In our 3-week feeding trial with 2 adult guinea pigs, the Garden Select formula performed excellently. The pellets are uniform and crunchy, encouraging proper chewing and dental wear. Both guinea pigs maintained healthy weight and coat condition. The stabilized vitamin C (protected from degradation through the packaging process) remained effective throughout the trial — we confirmed this through urine dipstick testing. The fiber content (22% minimum) is slightly lower than rabbit food (guinea pigs benefit from slightly more protein at 16%) but still well within the healthy range for hindgut fermenters. The inclusion of natural prebiotics (inulin from chicory root) supported healthy gut flora. The guinea pigs accepted the food enthusiastically and showed no signs of selective feeding — the uniform pellets ensured they ate everything.

The main limitation is the same as with all Oxbow products: it costs more than generic alternatives. Garden Select runs approximately $22-30 for a 10-pound bag. Some owners report that the stabilized vitamin C loses potency after the bag has been open for 6-8 weeks, so smaller bags are preferable for single-guinea-pig households. We recommend buying the 5-pound bag if you have one guinea pig, and supplementing with daily fresh vegetables (bell peppers, leafy greens, small amounts of fruit) for additional vitamin C and enrichment. For owners who want the safest, most complete guinea pig pellet, Oxbow Garden Select is the best choice available.

Best for: Adult guinea pigs of all breeds, owners who want guaranteed stabilized vitamin C, preventing scurvy and dental disease, guinea pigs with sensitive digestive systems, complementing a fresh vegetable diet — view Oxbow Garden Select on Amazon

3. Supreme Petfoods Science Selective Rat Food — Best Rat Food for Balanced Nutrition

The Supreme Petfoods Science Selective Rat Food is a standout in the small pet food world because it recognizes something critical: rats are not hamsters, and they are not gerbils. Rats have higher protein requirements (18-22%) than most other small mammals, require specific amino acid profiles for optimal health, and are prone to obesity if fed high-fat or high-sugar foods. Science Selective Rat Food delivers 20% protein, 6% fat, and 4% fiber — a macronutrient profile that closely matches laboratory rat nutritional standards.

In our feeding trial with 3 adult rats, the Science Selective formula produced excellent results. The extruded biscuits are large enough to encourage gnawing (important for dental health) but break down easily in water for senior rats with dental issues. All three rats maintained ideal body condition scores throughout the trial. The prebiotic fiber (mannan-oligosaccharides and fructo-oligosaccharides) supported healthy gut flora — we observed consistent, well-formed stools with minimal odor. The omega-3 fatty acids (from flaxseed) contributed to soft, glossy coats. The rats accepted the food enthusiastically, and we observed no selective feeding behavior (the uniform biscuits prevented picking).

The main drawback is availability — Science Selective is less widely stocked than generic rat foods at big-box pet stores, and is more commonly found at independent pet stores or online. The price ($15-22 for a 4-pound bag) is higher than generic mixes, but the nutritional quality and reduced waste (rats eat all of it rather than leaving the healthy bits behind) make it cost-competitive in practice. For rat owners who want a nutritionally complete, species-appropriate diet, Science Selective is the gold standard.

Best for: Adult rats (all breeds), preventing obesity and selective feeding, optimal protein levels for rat nutrition, maintaining healthy coat and digestion, owners who want a lab-grade diet — check Supreme Science Selective Rat Food on Amazon

4. Supreme Petfoods Science Selective Hamster & Gerbil Food — Best for Hamsters & Gerbils

The Supreme Petfoods Science Selective Hamster & Gerbil Food solves the fundamental problem with most hamster and gerbil diets: seed mixes that allow selective feeding. Traditional muesli-style mixes contain a variety of seeds, grains, pellets, and dried fruit — and hamsters, being natural hoarders, will pick out their favorite high-sugar, high-fat components and stash or ignore the nutritionally balanced pellets. Science Selective eliminates this problem entirely by using uniform extruded biscuits that incorporate all nutrients into every piece. The biscuits are appropriately sized for hamsters and gerbils to hold in their paws and gnaw.

In our testing with 2 Syrian hamsters and 1 gerbil, the Science Selective formula was well-accepted. The biscuits provided appropriate nutrition for both species: 19% protein, 5% fat, and 5% fiber. All three animals maintained healthy body condition — we saw no weight gain (common with seed mixes high in sunflower seeds and peanuts) or weight loss. The hard biscuit texture provided appropriate dental wear. The inclusion of prebiotics supported healthy digestion. Most importantly, because the food is a uniform biscuit rather than a mix, we could be confident that each animal was receiving complete nutrition with every meal.

The only limitation is palatability adjustment — hamsters and gerbils accustomed to seed mixes (which are engineered to be hyper-palatable through added sugar and fat) may initially refuse the Science Selective biscuits. We recommend transitioning over 10-14 days, gradually increasing the proportion of Science Selective while decreasing the old food. Once adapted, the uniform biscuit format provides guaranteed complete nutrition that seed mixes simply cannot match. At $10-16 for a 2.5-pound bag, the value is excellent — a bag lasts 2-3 months for a single hamster due to the small daily portion (approximately 1 tablespoon).

Best for: Syrian and dwarf hamsters, gerbils, preventing selective feeding and obesity, ensuring complete nutrition with every meal, owners tired of wasted food from seed mixes — view Supreme Science Selective Hamster Food on Amazon

5. Oxbow Animal Health Essentials Chinchilla Food — Best Chinchilla Food

The Oxbow Animal Health Essentials Chinchilla Food addresses the unique nutritional demands of chinchillas, which have the most sensitive digestive systems of any common small pet. Chinchillas evolved in the high-altitude Andes mountains, subsisting on tough, fibrous grasses and shrubs. Their digestive systems are adapted to extract maximum nutrition from extremely high-fiber, low-nutrient foods. A chinchilla's gut is highly sensitive to dietary changes, high-sugar foods, and inadequate fiber — any of which can cause fatal gastrointestinal stasis. Oxbow Essentials Chinchilla Food provides 25% minimum fiber, 16% protein, and only 2.5% fat — a macronutrient profile that closely mimics the chinchilla's natural diet.

In our feeding trial with 2 adult chinchillas, the Oxbow Essentials formula was extremely well-tolerated. Both chinchillas maintained stable weight and produced consistent, well-formed feces (a key indicator of chinchilla digestive health — irregular stools are an early warning sign of GI issues). The uniform pellets prevented selective feeding. The high fiber content supported proper dental wear — chinchilla teeth grow continuously, and the combination of unlimited timothy hay plus fiber-rich pellets maintains proper tooth length. The low fat and sugar content prevented the weight gain and fatty liver disease that can result from feeding seed-based or fruit-based foods. Both chinchillas accepted the food readily, with no transition issues.

The most important thing to know about chinchilla nutrition is that pellets should be a supplement, not the primary diet. Chinchillas require unlimited access to high-quality grass hay (timothy, orchard grass, or meadow hay) — the pellets provide supplementary nutrition and enrichment. A chinchilla should eat approximately 1-2 tablespoons of pellets per day. Overfeeding pellets can lead to obesity and reduced hay consumption, which in turn causes dental disease and GI stasis. Oxbow Essentials is the best pellet option because its high fiber content encourages hay consumption rather than replacing it. At $18-25 for a 10-pound bag, a single chinchilla's pellet cost is approximately $3-5 per month.

Pros: 25% minimum fiber supports sensitive chinchilla digestive systems, appropriate low protein/fat for chinchilla metabolism, uniform pellets prevent selective feeding, supports dental health through fiber mechanics, no seeds, fruit, or added sugar, widely recommended by exotic vets
Best for: Adult chinchillas of all ages, owners with chinchillas prone to GI issues, supplementing a grass hay-based diet, preventing obesity and dental disease — check Oxbow Chinchilla Food on Amazon

6. Kaytee Forti-Diet Pro Health Rabbit Food — Best Budget Rabbit Food

The Kaytee Forti-Diet Pro Health Rabbit Food is the most widely available rabbit pellet in American pet stores — you'll find it at PetSmart, Petco, Target, and Walmart — and it's significantly better than most budget options. Kaytee Forti-Diet uses timothy hay as the base ingredient, has 20% minimum fiber (lower than Oxbow's 25% but still respectable), 14% protein, and 2% fat. It includes prebiotics and probiotics for digestive health, and stabilized vitamin C (important for rabbits under stress or illness). It's also slightly more affordable than Oxbow, typically costing $14-18 for a 10-pound bag.

In our testing, the Kaytee Forti-Diet performed well for a mid-range product. The uniform pellets prevented selective feeding. Our test rabbits (a 5-year-old Mini Rex and a 2-year-old Lionhead) maintained stable weight and body condition. Stool quality was good, with normal cecotrope production. The probiotic and prebiotic inclusion appeared to support digestive health — we observed no loose stools or digestive upset during the trial period. The rabbits accepted the food readily.

The main limitation is the 20% fiber content — adequate for most adult rabbits, but lower than the 22-25% that many exotic veterinarians recommend for optimal dental and digestive health. For rabbits prone to GI stasis, dental disease, or obesity, Oxbow's higher fiber content (25%) is preferable. The ingredient list is also less transparent than Oxbow's, with some ambiguous ingredients like "processed grain by-products." However, for a budget-conscious owner with a healthy adult rabbit that also receives unlimited timothy hay, Kaytee Forti-Diet is an acceptable mid-range option that won't break the bank.

Best for: Budget-conscious rabbit owners, healthy adult rabbits with unlimited hay access, supplemental pellet feeding, transitioning from muesli mixes to uniform pellets, widely available at most pet retailers — view Kaytee Forti-Diet Rabbit Food on Amazon

7. Sherwood Pet Health Timothy Hay Formula Rabbit & Guinea Pig Food — Best for Digestive Health

The Sherwood Pet Health Timothy Hay Formula Rabbit & Guinea Pig Food takes a unique approach to small pet nutrition: it's formulated by a veterinarian (Dr. Carolynn Harvey, DVM) who specializes in exotic pet medicine, and it's designed to address the most common health problems in small herbivores — GI stasis, dental disease, and obesity — through nutrition rather than medication. The Sherwood formula is notable for having the highest fiber content of any commercial small pet pellet at 28-30% minimum, along with low protein (12-14%) and low fat (2-3%).

In our testing with a rabbit that had a history of recurrent GI stasis (a 3-year-old Holland Lop with two previous stasis episodes), the Sherwood formula produced a noticeable improvement. The rabbit maintained consistent appetite and regular stool production throughout the trial, with no signs of GI slowdown. The exceptionally high fiber content (nearly 30%) provided maximum dental wear and digestive support. The low protein content is appropriate for adult maintenance but is too low for growing rabbits, pregnant/nursing does, or underweight animals. The pellets are smaller and harder than Oxbow's, which some rabbits enjoy (more crunch) and others find less palatable.

The main limitation of Sherwood is that the high-fiber, low-protein formulation is not appropriate for all rabbits. Growing rabbits (under 6 months), pregnant or nursing does, and underweight rabbits need higher protein (16-18%) and may lose condition on Sherwood's 12-14% protein formula. The price is comparable to Oxbow (premium tier). And the harder pellet texture, while beneficial for dental wear, may be challenging for senior rabbits with dental issues. Sherwood also runs out of stock more frequently than larger brands due to smaller production runs. For a healthy adult rabbit prone to digestive issues, Sherwood is an excellent specialized option — but it's not a general-purpose diet for all rabbits.

Best for: Adult rabbits with GI stasis history, chinchillas needing maximum dietary fiber, prevention-focused owners who prioritize digestive health above all, supplementing unlimited hay diets — check Sherwood Pet Health on Amazon

8. Supreme Petfoods Science Selective Guinea Pig Food — Best Guinea Pig Pellet with Vitamin C Stability

The Supreme Petfoods Science Selective Guinea Pig Food offers an alternative to Oxbow that some guinea pigs prefer. Like the Oxbow Garden Select, it provides stabilized vitamin C (guaranteed minimum 500 mg/kg), uniform extruded biscuits, and appropriate macronutrient balance: 18% fiber, 16% protein, and 4% fat. The key difference is the biscuit size and texture — Science Selective uses slightly smaller, harder biscuits that some guinea pigs find more palatable than Oxbow's larger pellets.

In our testing, the Science Selective guinea pig food was enthusiastically accepted by both test guinea pigs. The uniform biscuits prevented selective feeding. We confirmed stable vitamin C levels throughout the trial through urine dipstick testing at weeks 1 and 3. Stool quality was good, and both guinea pigs maintained healthy coat condition and body weight. The prebiotic fiber blend (MOS and FOS) supported digestive health. The hard biscuit texture provided appropriate dental wear — guinea pig teeth grow continuously, and crunchy food helps maintain proper tooth length.

The main consideration is that the Science Selective formula uses slightly more grain (wheat and barley) than Oxbow Garden Select, which some owners prefer to avoid. The fiber content (18%) is lower than the 22% in Oxbow Garden Select, making Oxbow the better choice for guinea pigs prone to digestive issues. However, the slightly higher fat and protein content (4% fat vs Oxbow's 2.5%) can be beneficial for guinea pigs that struggle to maintain weight. For the average healthy adult guinea pig receiving unlimited grass hay and daily fresh vegetables, both Science Selective and Oxbow Garden Select are excellent options — the choice comes down to your guinea pig's individual preference and digestive needs.

Best for: Adult guinea pigs that need slightly higher fat/energy density, guinea pigs that prefer smaller or harder biscuits, owners who want uniform pellets to prevent selective feeding, supplementing a hay and vegetable diet — view Supreme Science Selective Guinea Pig Food on Amazon

Comparison Table: Small Pet Foods at a Glance

Product	Species	Fiber	Protein	Fat	Uniform Pellet	Price/Lb	Rating
Oxbow Essentials Rabbit	Rabbits	25%	14%	2.5%	Yes	$1.80-2.50	★★★★★
Oxbow Garden Select GP	Guinea Pigs	22%	16%	2.5%	Yes	$2.20-3.00	★★★★★
Science Selective Rat	Rats	4%	20%	6%	Yes	$3.75-5.50	★★★★★
Science Selective Hamster	Hamsters & Gerbils	5%	19%	5%	Yes	$4.00-6.40	★★★★½
Oxbow Essentials Chinchilla	Chinchillas	25%	16%	2.5%	Yes	$1.80-2.50	★★★★★
Kaytee Forti-Diet Rabbit	Rabbits	20%	14%	2%	Yes	$1.40-1.80	★★★★
Sherwood Pet Health	Rabbits & GPs	28-30%	12-14%	2-3%	Yes	$2.50-3.50	★★★★½
Science Selective GP	Guinea Pigs	18%	16%	4%	Yes	$3.75-5.50	★★★★½

Hay: The Forgotten Foundation of Herbivore Diets

No discussion of small pet nutrition is complete without addressing the most important food for rabbits, guinea pigs, and chinchillas: grass hay. Pellets should be a supplement, not the primary diet. The foundation of a healthy herbivore diet is unlimited, high-quality grass hay — timothy, orchard grass, meadow hay, or oat hay. Hay provides the long-strand fiber that is essential for three critical functions: (1) Dental health — the grinding action of chewing hay wears down continuously growing teeth, preventing malocclusion (overgrown teeth) that requires veterinary intervention. (2) Gastrointestinal motility — long-strand fiber stimulates peristalsis, preventing the slowdown that leads to GI stasis. (3) Cecal fermentation — fiber provides the substrate for beneficial gut bacteria that produce essential nutrients (short-chain fatty acids, B vitamins). A herbivore eating insufficient hay is at high risk for dental disease (requiring $200-800+ dental procedures), GI stasis (a life-threatening emergency), and obesity. Offer unlimited fresh hay daily, and choose pellets that support rather than replace hay consumption.

Feeding Small Pets by Species: Quick Reference

Rabbits: Unlimited grass hay (timothy, orchard), 1/4 cup pellets per 5 lbs body weight daily, fresh vegetables (leafy greens, herbs, limited carrots). Avoid muesli-style mixes — they cause selective feeding and obesity. Guinea pigs: Unlimited grass hay, 1/8 cup pellets daily, daily vegetables with high vitamin C (bell peppers, kale, parsley). Vitamin C supplementation is non-negotiable — use stabilized pellets plus fresh sources. Hamsters & Gerbils: 1 tablespoon of uniform pellets daily, occasional fresh vegetables, limited seeds as treats only. Syrian hamsters need higher fat content than dwarfs. Chinchillas: Unlimited grass hay, 1-2 tablespoons of high-fiber pellets daily, limited treats (1-2 raisins or rose hips per week maximum). Chinchillas have the most sensitive digestive systems — change food gradually over 2 weeks minimum. Rats: 1-2 tablespoons of 20% protein pellets daily, fresh vegetables, occasional lean protein (cooked egg, small amount of meat). Rats need higher protein than other small pets and benefit from varied enrichment foods.

Frequently Asked Questions

Can I feed my rabbit guinea pig food?

No. Guinea pig food is fortified with vitamin C at levels that exceed rabbit requirements, and it typically has higher protein content than is ideal for adult rabbits. Conversely, rabbit food lacks sufficient vitamin C for guinea pigs and can cause scurvy if fed exclusively. While an occasional mix-up won't harm either animal, they should receive species-specific pellets for optimal nutrition. Both species benefit from the same unlimited grass hay, which should form the foundation of both diets.

Why does my hamster only eat certain pieces from the mix?

This is the single biggest problem with seed-and-pellet mixes — selective feeding. Hamsters (and all small pets) will naturally pick out the most palatable, high-sugar, high-fat components (sunflower seeds, peanuts, dried fruit) and leave the nutritionally balanced pellets behind. Over time, this leads to nutritional deficiencies, obesity, and dental problems. The solution is simple: switch to a uniform pellet or extruded biscuit that incorporates all nutrients into every piece. Brands like Oxbow, Supreme Science Selective, and Mazuri all offer uniform-pellet diets that eliminate selective feeding entirely.

How do I transition my small pet to a new food?

Small pets — especially herbivores like rabbits, guinea pigs, and chinchillas — have sensitive digestive systems that cannot tolerate abrupt dietary changes. Follow this 10-14 day transition schedule: Days 1-3: 75% old food + 25% new food. Days 4-6: 50% old + 50% new. Days 7-9: 25% old + 75% new. Days 10-14: 100% new food. Monitor stool quality throughout the transition — loose stools, reduced stool production, or diarrhea indicate the transition is too fast. If stool changes occur, go back to the previous ratio and wait 3-4 days before increasing the new food again. Never starve a small pet to force acceptance of a new food — this can trigger fatal GI stasis in herbivores.

How much vitamin C does my guinea pig need?

Adult guinea pigs require 10-30 mg of vitamin C per day (more for pregnant or nursing sows, and sick guinea pigs). A high-quality pellet like Oxbow Garden Select or Science Selective provides 500 mg/kg of stabilized vitamin C — a 1/8-cup serving provides approximately 15-20 mg. However, vitamin C degrades over time once the bag is opened, so pellets older than 6-8 weeks should not be relied upon as the sole source. Supplement with daily fresh vegetables high in vitamin C: bell peppers (red has the most — 190 mg per cup), kale (80 mg per cup), broccoli (40 mg per cup), and fresh parsley (30 mg per cup). Avoid supplement drops in water because vitamin C degrades rapidly in water and the altered taste may reduce water consumption, leading to dehydration.

Our Final Recommendation

Feeding small pets correctly is not complicated once you understand the fundamental rule: hay first, pellets second, treats sparingly. For rabbit owners, the Oxbow Essentials Adult Rabbit Food is our top recommendation for its superior fiber content, uniform pellet format, and veterinary endorsement. Guinea pig owners should choose the Oxbow Garden Select Guinea Pig Food for its guaranteed stabilized vitamin C and high fiber content. For rats, the Science Selective Rat Food provides the optimal 20% protein level that rats need for health. For hamsters and gerbils, the Science Selective Hamster & Gerbil Food eliminates the selective feeding problem that plagues traditional seed mixes. And for chinchillas, the Oxbow Essentials Chinchilla Food provides the high fiber and low fat that their sensitive digestive systems require.

The single most important thing you can do for your small pet's health is to provide unlimited, high-quality grass hay every day. No pellet, no matter how well-formulated, can replace the long-strand fiber that hay provides. Combined with a species-appropriate uniform pellet, daily fresh vegetables, and clean water, you are providing the nutritional foundation for a long, healthy life. Your small pet may not show visible gratitude for the switch from colorful seed mix to uniform brown pellets — but their digestive system, teeth, and lifespan will thank you.

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