Adult Small Breed & Mini Breed Chicken Meal & Rice Recipe Dry Dog Food, 15.5-lb bag
Graded by The Sniff System
Hill's Science Diet Adult Small Breed & Mini Breed Chicken Meal & Rice Recipe Dry Dog Food is a dry food for adult small and mini breeds, featuring chicken as its main protein.
This formula uses quality carbohydrate sources that include fermentable fiber, which is good for gut health. The protein quality is reasonable, with chicken providing solid amino acid coverage. It also has AAFCO feeding trial substantiation for adult maintenance, which is a strong indicator of nutritional adequacy.
Nothing concerning in the deck.
Good fit for adult small and mini breed dogs. Nothing serious working against it.
Summary written by The Sniff System from the data above. Same rubric, same drivers, expressed in English.
Strong fit for adult Cavalier King Charles Spaniels and similar moderately active toy breeds navigating diet-associated DCM concerns. Chicken anchors position 1, with zero pulses in the top 15, plus chicken liver flavor at position 10 (a natural taurine precursor). The FDA's 2019 investigation update on diet-associated DCM included 13 reported cases in Cavalier King Charles Spaniels, making them one of the top 15 most frequently reported breeds at that time (FDA, 2019) .
Looking at this for adult Cavalier King Charles Spaniels or Cavalier King Charles Spaniels with diet-associated DCM concerns ? We are building dedicated pages for these combinations.
Auto-matched from this product's measurements (ingredients, life stage, calorie density) to a breed archetype. Not a substitute for vet input on your specific dog.
Research informing this analysis
MethodologyThe Sniff System grades this product against 3 cited studies relevant to its profile. Each link opens the original source.
- FDA, 2022epidemiology · breed predisposition· cited in 4 claims
- FDA, 2019cardiac · diet composition· cited in 3 claims
- NRC, 2006nutrient bioavailability
Every claim on Sniff traces to a source. If you find a citation that's wrong, outdated, or misapplied, tell us.
Sniff scored this formula 71/100, landing in B-tier territory. The biggest contributor was carbohydrate quality (+16 points): Quality carbohydrate sources with fermentable fiber. Also adding to the lift: protein quality (+14.5). Reasonable protein quality. chicken delivers solid amino acid coverage. The 4-point gap to A-tier sits mostly in protein quality (14.5 of 27 possible). Full protein quality requires named-species named-cut proteins in the top of the deck (e.g., "deboned chicken" rather than "chicken meal" or "poultry meal").
Quality carbohydrate sources with fermentable fiber.
Reasonable protein quality. chicken delivers solid amino acid coverage.
AAFCO feeding trial substantiation for adult maintenance.
No negative drivers crossed our reporting threshold.
- Bottom 10% for DMB protein in grain-inclusive dry kibbles (22.2%)
- Top quartile for carb quality in dry kibbles (16/16)
- Bottom quartile for crude fiber in Hill's Science Diet's lineup (4.4% DMB)
Computed against the rest of our catalog. Percentiles refresh on each catalog update.
Similar dog foods worth considering
Three lenses on products with formulation profiles similar to this one.

Hill's Science Diet Adult Perfect Digestion Small Breed & Mini Breed Chicken & Brown Rice Recipe Dry Dog Food, 12-lb bag
Scores 4 points higher with a similar formulation profile.

Hill's Science Diet Adult Small Bites Chicken & Barley Recipe Dry Dog Food, 35-lb bag
$2.49/lb vs your seed's $3.93/lb (37% less) at a comparable score.
Surfaced from a vector similarity search across 3,491 scored dog foods. How this works.
Read why each ingredient is good or bad for dogs.
- 1protein animalchicken
Real meat. Primary protein source, with the amino acid profile dogs actually evolved to eat.
Position 1: primary protein source. After cooking removes water, this may drop in proportional weight, but it anchors the recipe.
- 2grainbrown rice
Whole grain that's easy to digest. Steady carb energy plus a little fiber.
Position 2: major carbohydrate source.
- 3grainwheat
Whole wheat. Fine for most dogs, though a portion are sensitive. Not a quality concern, just a fit-for-your-dog question.
Position 3: major carbohydrate source.
- 4grainwhole grain corn
Whole corn with the kernel intact. Decent fiber and B vitamins, though it can crowd out meat in cheaper recipes.
Position 4: supporting grain. Smaller contribution to the carb deck.
- 5brewers rice
Broken rice kernels left over from milling, usually destined for human beer-making. Cheaper than whole or even white rice. Same carbs, less nutrition than the brown version. See why →
Position 5: supporting grain. Smaller contribution to the carb deck.
- 6protein animalchicken meal
Chicken with the water cooked out. Per pound, packs more protein than fresh chicken. See why →
Position 6: supporting protein. Modest contribution to total protein weight.
- 7grainsorghum
Whole grain with a low glycemic index. Gluten-free, well-tolerated, decent fiber content.
Position 7: supporting grain. Smaller contribution to the carb deck.
- 8fatchicken fat
Despite the name, a high-quality energy source. Concentrated calories plus essential fatty acids like linoleic acid. See why →
Position 8: trace fat. Below the level that materially shifts the fat profile.
- 9protein plantsoybean meal
Concentrated soy protein. Cheap plant protein that pads the label number, common in budget formulas.
Position 9: moderate plant-protein boost. Less likely to materially shift the protein profile.
- 10chicken liver flavor
Hydrolyzed chicken liver used as a flavor enhancer. Real ingredient, used in tiny amounts for palatability.
Position 10. Functional organ inclusion. Adds amino acids and micronutrients even at smaller weight.
- 11corn protein meal
Concentrated corn protein. Similar in role to corn gluten meal, pads the protein number on the label without matching meat amino acids.
Position 11: minor grain inclusion.
- 12pork liver flavor
Hydrolyzed pork liver used as a flavor enhancer. Same role as chicken liver flavor.
Position 12. Small organ inclusion. Functional but not a primary contributor to the protein profile.
- 13fatflaxseed
Plant source of omega-3. Helpful for skin and coat, though dogs absorb omega-3 from fish more efficiently.
Position 13: trace fat. Below the level that materially shifts the fat profile.
- 14lactic acid
Natural acid used as a mild preservative and pH adjuster. Found in fermented foods too. Safe at typical inclusion.
- 15soybean oil
Plant oil. High in omega-6, which is required but commonly oversupplied. Fine in moderation.
Position 15: trace fat. Below the level that materially shifts the fat profile.
- 16mineralpotassium chloride
Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.
- 17supplementl-lysine
Essential amino acid. Plant-protein-heavy formulas sometimes add it to round out the amino acid profile.
- 18grainoats
Whole grain. Steady energy, soluble fiber, and well-tolerated by most dogs.
- 19mineralsalt
Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.
- 20fiberfructooligosaccharides
Prebiotic fiber, often called FOS. Feeds beneficial gut bacteria, similar in function to inulin.
- 21vegetablepumpkin
Soluble fiber that supports stool quality. Mild and well-tolerated.
- 22supplementcholine chloride
Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.
- 23supplementdl-methionine
Essential amino acid. Often added when plant proteins dominate, since methionine is naturally lower in pulses than meat.
- 24mineralcalcium carbonate
Source of calcium. Functional. Required in complete dog foods, especially those without bone-in meat meals.
- 25supplementtaurine
Amino acid critical for heart health. Especially important in grain-free or pulse-heavy formulas where natural taurine precursors run thin.
Showing first 25 of 35. Position 1-5 has the largest weight in the recipe.
25 of 25 ingredients have a curated note. Coverage grows over time.