Limited Ingredient Formula Trout & Salmon Meal Dry Dog Food, 25-lb bag
Graded by The Sniff System
Zignature Limited Ingredient Formula Trout & Salmon Meal is a dry food for all life stages, featuring trout and salmon as its main protein sources.
This formula offers good protein quality, with trout providing solid amino acid coverage. It also includes quality fat sources like salmon oil, which is a good source of EPA and DHA. The inclusion of named fish like trout and salmon meal adds diverse, highly bioavailable protein.
Nothing concerning in the deck.
Good fit for dogs of all life stages. Nothing serious working against it.
Summary written by The Sniff System from the data above. Same rubric, same drivers, expressed in English.
Good fit for adult Labrador Retrievers and similar active sporting breeds navigating weight management. Working in its favor: crude fiber (5%) helps satiety. At 395 kcal/cup this formula runs on the moderate side, with crude fiber at 5% (above the catalog median, supports satiety). The landmark 14-year Purina Lifespan Study on 48 Labrador Retrievers demonstrated that dogs fed 25% fewer calories lived a median of 1.8 years longer and delayed the onset of chronic diseases. The 2014 AAHA Weight Management Guidelines define overweight as a Body Condition Score (BCS) of 6-7 on a 9-point scale. A score of 8 or 9 indicates obesity, representing 20-30% and >30% above ideal body weight, respectively (Brooks et al., 2014) .
Looking at this for adult Labrador Retrievers or Labrador Retrievers with weight management ? 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.
- Brooks et al., 2014diagnostic · protocol · satiety· cited in 5 claims
- APOP, 2023prevalence
- Raffan et al., 2016genetics
Every claim on Sniff traces to a source. If you find a citation that's wrong, outdated, or misapplied, tell us.
Solid grade. 65/100 (B) reflects the structural fit of this formula against The Sniff System's eight scoring components. Protein quality did the heavy lifting (+17 points): Reasonable protein quality. trout delivers solid amino acid coverage. The supporting beat: fat quality (+12 points). Quality fat sources: named fat with marine oil (EPA and DHA source). What's keeping it out of A-tier: carbohydrate quality (5 of 16 possible). Full carbohydrate quality requires whole-grain or single-source carbohydrates with a declared fermentable fiber.
Reasonable protein quality. trout delivers solid amino acid coverage.
Quality fat sources: named fat with marine oil (EPA and DHA source).
Includes egg, named fish, or organ meat for diverse high-bioavailability protein.
No negative drivers crossed our reporting threshold.
- Lowest carb quality in Zignature's lineup (5/16)
- Top 10% for fat quality in Zignature's lineup (12/16)
- Bottom quartile for DMB fat in Zignature's lineup (15.6%)
Computed against the rest of our catalog. Percentiles refresh on each catalog update.
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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.
- 1trout
Position 1: primary protein source. After cooking removes water, this may drop in proportional weight, but it anchors the recipe.
- 2protein animalsalmon meal
Salmon cooked into a dry concentrate. Carries both protein and natural omega-3s in one ingredient. See why →
Position 2: co-primary protein. Two named animal proteins in the top 2 is a strong protein build.
- 3legumechickpeas
Also called garbanzo beans. Affordable plant protein source, part of the legume stack the FDA examined in its heart-disease investigation. See why →
Position 3. Pulse-family ingredient this high in the deck is a notable build choice. When stacked with other pulses in the top 10, matches the formulation pattern the FDA flagged in its diet-associated DCM investigation.
- 4legumepeas
Cheap protein bulk. Fine in small amounts, but when peas stack with lentils and chickpeas in the top ingredients, it's the pattern the FDA flagged in its heart-disease investigation. See why →
Position 4. Within the FDA's top-5 DCM-pattern threshold. Especially notable if multiple pulses stack here.
- 5dehydrated alfalfa meal
Dried alfalfa. Fiber and trace minerals. Not exciting but it's a real plant ingredient.
- 6fatsunflower oil
Common plant oil. Useful in moderation for omega-6, though too much skews the omega ratio against the dog's favor.
Position 6: secondary fat. Often where marine oils sit when present alongside a primary land-animal fat.
- 7othernatural flavor
Legal term for animal-derived flavoring, usually hydrolyzed liver or broth. Adds taste, says nothing about quality.
- 8fatsalmon oil
Pure omega-3s. The thing skin-and-coat formulas are usually built around.
Position 8. Moderate marine-oil inclusion. Supplements EPA/DHA without being the primary fat.
- 9fatflaxseed
Plant source of omega-3. Helpful for skin and coat, though dogs absorb omega-3 from fish more efficiently.
Position 9: trace fat. Below the level that materially shifts the fat profile.
- 10mineralpotassium chloride
Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.
- 11mineralcalcium carbonate
Source of calcium. Functional. Required in complete dog foods, especially those without bone-in meat meals.
- 12mineraltricalcium phosphate
Calcium and phosphorus source. Same role as dicalcium phosphate, slightly different ratio.
- 13supplementcholine chloride
Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.
- 14mineralsalt
Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.
- 15vitaminvitamin e supplement
Required nutrient and a natural antioxidant. Often pulls double duty as a preservative.
- 16vitaminvitamin a supplement
Vitamin A in stable, standardized form. Required for vision, immune function, and growth.
- 17niacinamide
- 18vitamind-calcium pantothenate
B vitamin (B5). Standard inclusion in complete dog foods.
- 19vitaminriboflavin supplement
B vitamin (B2). Required in complete dog foods. The standardized form ensures consistent dosing.
- 20vitaminthiamine mononitrate
B vitamin (B1). Essential for nervous system function. Cooked-in vitamin loss is why thiamine is always added back.
- 21vitaminvitamin b12 supplement
Essential for red blood cell formation and neurological function. Plant ingredients lack B12, so it has to be added.
- 22vitaminpyridoxine hydrochloride
B vitamin (B6). Essential for protein metabolism. Standard inclusion in complete formulas.
- 23vitaminfolic acid
B vitamin (B9), essential for cell function. Standard in complete dog foods.
- 24vitaminbiotin
B vitamin that supports skin and coat health. Required for AAFCO-complete formulas.
- 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 38. Position 1-5 has the largest weight in the recipe.
23 of 25 ingredients have a curated note. Coverage grows over time.
This variety is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for all life stages, including growth of large size dogs (70 pounds or more as an adult).