Home / Dog food / Hill's Science Diet / Adult Perfect Digestion Salmon & Brown Rice Recipe Dog Food
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Adult Perfect Digestion Salmon & Brown Rice Recipe Dog Food
A feeding-trial-validated, salmon-first dry food that's cheaper per calorie than 28% of the dry foods we've priced and denser than 18% (you feed fewer cups) — $2.46 a day for your 40-lb adult dog.
THE FACTS, ONE SENTENCE — data as JSON · reference dog 40 lb · updated 2026-07-12
The evidence
The Verified Label
Every food on this site gets this exact panel — same fields, same order, sourced from the official label — so brands finally become comparable. Dots show where this food sits among all 494 dry foods we've verified.
verified 2026-07-12
Composition — dry-matter basis
why dry matter
Calories & cost — for your 40-lb adult dog
Cost per 1,000 kcal: $2.50 — cheaper than 28% of the 360 dry foods we've priced (median $1.93). Serving math uses standard veterinary energy formulas — see the formula.
Standards & ingredients
what this means
why unknown
Safety
Source: official label source (official)· price: Amazon, 2026-07-12 · anchors: 494 verified dry dog foods (360 priced) · how to read this label
The fit
For your dog, specifically
Checked for a 40-lb adult with a sensitive stomach — the same published criteria our finder uses. Change your dog above and these update.
The source material
The full ingredient list
Every flag on the Verified Label is computed from this list. Ingredients are ordered by pre-cooking weight — the first five carry the most information.
Salmon, Cracked Pearled Barley, Brown Rice, Brewers Rice, Corn Protein Meal, Chicken Meal, Whole Grain Corn, Chicken Fat, Whole Grain Oats, Pea Protein, Chicken Liver Flavor, Ground Pecan Shells, Pork Liver Flavor, Lactic Acid, Flaxseed, Dried Beet Pulp, Dried Citrus Pulp, Potassium Chloride, Iodized Salt, Soybean Oil, Choline Chloride, Calcium Carbonate, Pressed Cranberries, Pumpkin, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Biotin, Riboflavin Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement, Menadione Sodium Bisulfite Complex (source of Vitamin K)), Taurine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene
Nutritional twins
Cheaper close matches
Verified foods with a closely matching label at a meaningfully lower cost per 1,000 kcal.
Label-composition matches only: same species, form, and growth stage; same primary protein where both are known; grain-free preserved; protein within 4 points and fat within 4 points, and estimated carbs within 8 points, on a dry-matter basis. Not a medical or quality recommendation.
The maker
Who makes this — and how they back it up
The four questions the WSAVA nutrition guidelines tell you to ask a pet-food company. Every answer is sourced or marked as an undisclosed gap — never guessed. This is the "is it made competently?" axis that star-rating sites skip.
Same source: 'Hill's is currently building a new canned pet food manufacturing facility in Kansas... and in May completed the acquisition of a canned pet food plant in Italy from Nutriamo.' Indicates Hill's owns and operates its own manufacturing plants.
source →Hill's explicitly employs four ACVN Diplomates (board-certified veterinary nutritionists) plus PhD nutritionists per same page ('Our staff of PhD nutritionists, food scientists, flavorists and veterinarians').
source →238 of 309 verified labels in our corpus carry an AAFCO feeding-trial substantiation statement.
source →174 PubMed-indexed papers carry "Hill's Pet Nutrition" in an author affiliation (animal/pet-domain filtered) — a reproducible floor, not a total.
source →Full company scorecard, sources, and every SKU we've verified for this brand: Hill's Science Diet brand page →