Diamond Naturals · Dry dog food · Captured May 15, 2026

Lamb Meal & Rice Adult

A cost-effective formula with clearly named ingredients and a reasonable nutrient profile. Several common triggers are present, but value is one of its strongest attributes.

AdultKibblePartially verified

Methodology Dog Food Rubric v1.0. Score reconstructed from rule events; see the trail below for sources and rule citations.

Strengths

Nutrition Fit 8.0 / 10AAFCO adequacy clears the rubric and dry-matter protein and fat land in the bands we expect.
Low sensitivity risk 8.5 / 10Few of the most-named adverse-reaction trigger ingredients high on the label.
Value 9.0 / 10Cost per 1,000 kcal is at or below the category median.

Watch-outs

Common triggers on the labelSkip if your dog avoids chicken, egg, fish. We surface this regardless of sub-score.
Brand Trust 5.5 / 10Brand-level evidence is thin, conflicted, or seed-only. We have not credited a verified Brand Trust outcome.
Partially verified source confidenceSome label or pricing fields rely on retailer-mediated capture rather than the manufacturer source. See evidence notes below.

Data status

Partially verified

Some primary-source fields are verified; unresolved fields remain visible.

Captured: May 15, 2026

Launch readiness

Source-capture hold.

This page is missing the packet or source record needed for beta QA.

Attach product source and verification packet records before promotion.

Lane: Source capture
Packet: missing
Product source: missing

Brand Trust scoring

Brand Trust record missing.

A Brand Trust signal record has not been attached yet. The product keeps its seed Brand Trust value until source-backed signals exist.

Record status: missing
Score path: Seed score still in use
Unknown signals: 11
Conflicts: 0
Brand sources: 0

Buyer read

What should you take away?

Dog food rubric

Looks promising, with a few checks still worth making.

For Lamb Meal & Rice Adult, the main watch-outs are: brand-level evidence needs more source support. This is an evidence read, not a medical recommendation.

8.0

Nutrition FitAAFCO fit, calories, and dry matter protein/fat ranges.

5.5

Brand TrustWSAVA-style signals, recall mapping, and source confidence.

7.0

Ingredient ClarityNamed sources and label specificity.

8.5

Sensitivity RiskPopulation-level common allergen exposure.

9.0

ValueEstimated price per 1,000 kcal within category.

Score math

How PetScored got there.

Expand to see the rule-by-rule trail. Useful for checking the rubric; not required to make a buying decision.

dog-food-v1.0-label-events▾

Nutrition Fit8.0

30% of total score

7 scoring rule(s)0 context item(s)

Nutrition Fit is reconstructed from deterministic dog-food v1 rules using the currently available fixture fields.

AAFCO statement matches declared life stageA verified AAFCO adequacy statement earns points only when it matches the declared life stage.

Diamond Naturals Adult Lamb Meal & Rice Formula Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

+3.0A

Feeding trials substantiate adequacyFeeding-trial language receives additional credit because it is stronger evidence than formulated-to-meet language.

Diamond Naturals Adult Lamb Meal & Rice Formula Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

0.0A

Protein dry matter basis in rangeProtein is compared on dry matter basis against the adult maintenance range of 18-35%.

25.6%+2.0A

Fat dry matter basis in rangeFat is compared on dry matter basis against the adult maintenance range of 5.5-20%.

15.6%+2.0A

Calcium and phosphorus listedThis can earn credit once the nutrition panel stores calcium and phosphorus fields from a verified source.

not captured in v0 fixture0.0B

Calorie statement presentA calorie statement is needed for value, feeding-cost, and cross-format comparison work.

370 kcal/cup+1.0A

Large-breed puppy statementThis rule is not applicable unless the product is marketed for large-breed puppies.

not applicable0.0A

Brand Trust5.5

25% of total score

1 scoring rule(s)2 context item(s)seed in use

Brand Trust is still using the seed subscore while source signals are captured, reviewed, or blocked by conflict.

Brand Trust signal record missingThe prototype seed score remains in use until a Brand Trust signal record is attached.

not capturedcontextSeed

Brand Trust seed subscorePrototype score imported from the seed fixture. This keeps the public page auditable while verified rule events replace seed values.

5.5 / 10+5.5Seed

Source confidence visibleConfidence is shown beside the score so prototype, single-source, verified, stale, and conflict records are not treated the same.

Partially verifiedcontextSeed

Ingredient Clarity7.0

15% of total score

8 scoring rule(s)0 context item(s)

Ingredient Clarity is reconstructed from named-source and label-specificity rules.

Animal protein sources named in top 10Named species such as chicken meal or salmon count as clearer than generic terms such as meat meal or poultry by-product meal.

lamb meal | chicken fat (preserved with mixed tocopherols) | egg product | fish meal+3.0B

Fat sources named in top 10Named fats, such as chicken fat or salmon oil, are clearer than generic animal fat.

chicken fat (preserved with mixed tocopherols)+2.0B

Grain sources are specificSpecific grains such as rice, barley, oatmeal, or sorghum earn clarity credit. Generic grain terms do not.

ground white rice | cracked pearled barley+1.0B

Preservatives explicitly namedExplicit preservative language earns clarity credit because the label tells readers what is preserving the fat or formula.

chicken fat (preserved with mixed tocopherols)+1.0A

Country of manufacture statedThis can earn credit once the product source record stores a verified made-in or country-of-manufacture statement.

not captured in v0 fixture0.0C

Manufacturer identifiableThis can earn credit once the source record identifies the manufacturer from a verified product page or label.

not captured in v0 fixture0.0C

Co-packer or facility disclosedThis can earn credit once the product or brand source record publicly discloses the facility or co-packer.

not captured in v0 fixture0.0C

Ingredient splitting high on labelRelated starch or pulse ingredients high on the label are flagged for transparency. This is not treated as proof of harm.

not detected0.0C

Sensitivity Risk8.5

15% of total score

9 scoring rule(s)0 context item(s)

Sensitivity Risk is reconstructed from common allergen exposure patterns in the ingredient list.

Sensitivity baselineSensitivity Risk starts at 10 and adjusts for common exposure patterns. It is not a prediction for an individual dog.

10 / 10 before ingredient exposure adjustments+10.0A

Beef or beef-derived ingredient in top 5Beef exposure in the top five ingredients lowers the score because beef is commonly reported in canine food-reaction studies.

lamb meal | ground white rice | cracked pearled barley | chicken fat (preserved with mixed tocopherols) | egg product0.0A

Dairy ingredient anywhereDairy exposure is counted anywhere on the label because even lower-position ingredients may matter for sensitive dogs.

lamb meal | ground white rice | cracked pearled barley | chicken fat (preserved with mixed tocopherols) | egg product | pea flour | flaxseed | natural flavor | dried beet pulp | fish meal | potassium chloride | choline chloride | vitamins (vitamin e supplement | niacin | d-calcium pantothenate | vitamin a supplement | riboflavin supplement | vitamin b12 supplement | pyridoxine hydrochloride | thiamine mononitrate | vitamin d3 supplement | folic acid) | minerals (zinc proteinate | iron proteinate | copper proteinate | manganese proteinate | calcium iodate | sodium selenite)

0.0A

Chicken or chicken-derived ingredient in top 5Chicken exposure in the top five ingredients lowers the score as a population-level sensitivity flag.

lamb meal | ground white rice | cracked pearled barley | chicken fat (preserved with mixed tocopherols) | egg product-1.0A

Wheat or wheat gluten in top 5Wheat exposure in the top five ingredients is flagged without implying the food is unsafe.

lamb meal | ground white rice | cracked pearled barley | chicken fat (preserved with mixed tocopherols) | egg product0.0A

Lamb in top 5Lamb receives a smaller exposure adjustment under the current dog-food rubric.

lamb meal | ground white rice | cracked pearled barley | chicken fat (preserved with mixed tocopherols) | egg product-0.5A

Multiple common sensitivity ingredients in top 5Multiple common exposure families high in the ingredient list receive an additional small adjustment.

1 of beef, dairy, chicken, wheat detected0.0B

Hydrolyzed protein primary dietHydrolyzed-protein diets can receive credit when hydrolyzed protein is a primary ingredient.

not detected0.0A

Single novel protein sourceA single novel animal protein can receive credit, but marketing claims alone do not count.

not detected0.0B

Value9.0

15% of total score

3 scoring rule(s)2 context item(s)

Value is reconstructed from package size, price, kcal density, category median, and quality caps.

Package weight parsedPackage weight is parsed from the product fixture so price can be normalized before scoring.

18.14 kgcontextC

Cost per 1,000 kcal calculatedValue uses calories rather than package price alone, because calorie density changes how long a bag lasts.

USD 0.77contextC

Category relative price bandThe base Value score comes from cost per 1,000 kcal relative to the product category median.

55% of Mass premium dry median+9.0C

Nutrition Fit value capA low Nutrition Fit score caps Value so a cheap food is not over-rewarded when core nutrition evidence is weak.

Nutrition Fit 8.00.0C

Brand Trust value capA low Brand Trust score caps Value so price does not overpower weak manufacturer/source signals.

Brand Trust 5.50.0C

Ingredients

Parsed label

Lamb Meal, Ground White Rice, Cracked Pearled Barley, Chicken Fat (Preserved with Mixed Tocopherols), Egg Product, Pea Flour, Flaxseed, Natural Flavor, Dried Beet Pulp, Fish Meal, Potassium Chloride, Choline Chloride, Vitamins (Vitamin E Supplement, Niacin, D-Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Thiamine Mononitrate, Vitamin D3 Supplement, Folic Acid), Minerals (Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Calcium Iodate, Sodium Selenite)

Sensitivity flags

May matter for individual dogs

chickeneggfishlegumeslamb

Source record

Confidence is visible by design.

Captured: May 15, 2026
Confidence: Partially verified
Sources: Diamond Naturals official product page captured May 15, 2026
Chewy 40 lb price captured May 15, 2026
Adequacy: Diamond Naturals Adult Lamb Meal & Rice Formula Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

Appears in

PetScored best-for lists this food is on

All best-for lists ›

Compare to similar

Same category, within 1.2 composite

Build your own comparison ›

Where to buy

Buying Diamond Naturals Lamb Meal & Rice Adult

Affiliate disclosure ›

Independent. We may earn a commission if you buy through these search links. Affiliate revenue does not affect the score on this page. Use whichever retailer you prefer.

FAQ

About Diamond Naturals Lamb Meal & Rice Adult

What is the PetScored rating for Diamond Naturals Lamb Meal & Rice Adult?

Diamond Naturals Lamb Meal & Rice Adult scores 7.5 out of 10 on the PetScored deterministic rubric. Strongest sub-score: Value. Weakest sub-score: Brand Trust. See the full sub-score breakdown and rule-event trail on the scorecard.

Is Diamond Naturals Lamb Meal & Rice Adult good for dogs with food sensitivities?

Skip this food if your dog avoids chicken, egg, fish, legumes. These are common adverse-reaction trigger ingredients in published case series. If your dog tolerates these proteins, the sub-score reflects the population-level risk; individual dogs vary.

Is Diamond Naturals Lamb Meal & Rice Adult AAFCO complete and balanced?

Diamond Naturals Lamb Meal & Rice Adult carries this AAFCO adequacy statement: "Diamond Naturals Adult Lamb Meal & Rice Formula Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance." This is an adult-maintenance statement — not adequate for puppies, growth, or pregnancy.

What life stage is Diamond Naturals Lamb Meal & Rice Adult for?

Per the bag, Diamond Naturals Lamb Meal & Rice Adult is intended for Adult (format: Kibble). Always cross-check the AAFCO statement on your actual bag, since recipes and life-stage designations can change between production runs.

How much does Diamond Naturals Lamb Meal & Rice Adult cost per calorie?

Captured retailer price: $49.99 for a 40 lb bag bag, at 3570 kcal/kg. PetScored Value sub-score benchmarks cost per 1,000 kcal against the category median rather than the sticker price — see the Value detail on the scorecard.