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Kirkland Signature

Kirkland Signature Mature Formula Chicken, Rice and Egg Dog Food

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An independent Feed Wise evaluation of Kirkland Signature Kirkland Signature Mature Formula Chicken, Rice and Egg Dog Food, built from the published ingredient panel, guaranteed analysis, certifications and processing method.

Named chicken first
4 named animal proteins
Extruded
Complete and balanced (verified)
Size
11.34 kg
Food type
Kibble
Life stage
Senior
UPC
Not recorded
Brand
Kirkland Signature
Country
United States
Feed Wise Score
5.7out of 10
FAIR

Complete diet: complete and balanced (aafco)

73%
Confidence
Moderate confidence

Share of scoring criteria backed by published evidence.

Product type
Complete & Balanced Food
Complete & balanced
VERIFIED
Life stage
NOT PUBLISHED
Large breed growth
NOT PUBLISHED
Standard named by source
AAFCO

Protein

27%

Fat

12%

Estimated carbohydrate

Not calculable

Processing

Extruded

Where to Buy

Expert Summary

Feed Wise rates this below the standard we look for in this category for Kirkland Signature Mature Formula Chicken, Rice and Egg Dog Food, an extruded kibble formula. The manufacturer publishes a nutritional adequacy statement, so it can be fed as a complete daily diet for senior maintenance. Owners should note that portions shown here are calculated from the calorie panel rather than a published chart.

What is actually in this food?

Chicken, chicken meal, whole grain brown rice, egg product, oatmeal, cracked pearled barley, ground white rice, chicken fat (preserved with mixed tocopherols), dried beet pulp, potatoes, natural chicken flavor, flaxseed, millet, fish meal, potassium chloride, choline chloride, glucosamine hydrochloride, chondroitin sulfate, carrots, peas, dried kelp, apples, cranberries, rosemary extract, parsley flakes, dried chicory root, dried Lactobacillus plantarum fermentation product, dried Bacillus subtilis fermentation product, dried Lactobacillus acidophilus fermentation product, dried Enterococcus faecium fermentation product, dried Bifidobacterium animalis fermentation product, vitamin E supplement, iron proteinate, zinc proteinate, copper proteinate, ferrous sulfate, zinc sulfate, manganese sulfate, copper sulfate, potassium iodide, thiamine mononitrate, manganese proteinate, ascorbic acid, vitamin A supplement, L-Carnitine, biotin, niacin, calcium pantothenate, sodium selenite, pyridoxine hydrochloride, vitamin B 12 supplement, riboflavin, vitamin D3 supplement, folic acid

First 5 ingredients

1. Chicken

Tier A, exceptional food ingredient

Named Animal Protein

Named animal muscle meat. Highest value protein source in the FeedWise model.

2. chicken meal

Tier B, high quality supportive ingredient

Named Rendered Protein

Named rendered animal meal. Concentrated named animal protein, but rendered rather than whole.

3. whole grain brown rice

Tier C, moderate or neutral ingredient

Whole Carbohydrate

Whole carbohydrate source. Evaluated on position, quantity and combined plant load rather than treated as automatically poor.

4. egg product

Tier A, exceptional food ingredient

Named Animal Protein

Whole egg. Highly digestible complete protein.

5. oatmeal

Tier C, moderate or neutral ingredient

Whole Carbohydrate

Whole oat grain. A moderate glycemic whole carbohydrate.

Animal Protein Quality

13.3 / 25

This is the largest single category in FeedWise. It looks at which animal ingredients are present, whether the species is named, whether organs, egg and named fats are included, and whether concentrated plant proteins are diluting the animal content.

  • Named animal protein first

    Chicken is a named animal ingredient in position 1.

    +8 / 8
  • Animal Prominence Index

    Animal Prominence Index 47 of 100. This is a FeedWise position-weighted measure of how far animal ingredients dominate the ingredient panel. It is a label-position index, not a manufacturer-disclosed recipe percentage.

    +1.7 / 5
  • Liver

    No liver in the ingredient panel.

    0 / 2
  • Heart

    No heart in the ingredient panel.

    0 / 2
  • Other appropriate organs

    No additional organ meats identified.

    0 / 2
  • Whole egg

    egg product is included.

    +1 / 1
  • Named animal or marine fats

    Named animal or marine fat sources: chicken fat (preserved with mixed tocopherols).

    +1 / 2
  • Verified animal ingredient proportion

    The manufacturer has not published an animal ingredient percentage. Excluded from the score rather than counted against the product.

    NOT SCORED

Ingredient Quality

13 / 20

Every ingredient is classified into a quality tier and weighted by its position on the label, so ingredient number one counts far more than ingredient number fifteen.

  • Position weighted ingredient quality

    20 food ingredients assessed by quality tier with early positions weighted most heavily. 34 fortifying nutrients or preservatives excluded from the average.

    +15 / 20
  • Vague animal ingredients

    Animal ingredients without an identified species: fish meal.

    -1
  • Ingredient splitting

    Multiple fractions of the same core ingredient appear: RICE FAMILY (whole grain brown rice, ground white rice).

    -1

Carbohydrate and Plant Load

0 / 15
  • Estimated carbohydrate: not calculable
  • Pulse ingredients detected: cracked pearled barley, peas
  • Plant protein concentrates: none
  • Ingredient splitting: RICE FAMILY (whole grain brown rice, ground white rice)

Carbohydrate is not calculable because ash is not disclosed. It is left blank rather than overstated.

  • Carbohydrate burden

    Carbohydrate is not precisely calculable because ash has not been disclosed. This is an evidence limitation, not evidence of high carbohydrate, so it is removed from the score and reported as reduced confidence.

    NOT SCORED
  • Ingredient based plant load

    Plant load assessed as VERY HIGH. Carbohydrate bearing plant ingredients: whole grain brown rice (whole grain), oatmeal (whole grain), cracked pearled barley (whole grain), ground white rice (refined grain), dried beet pulp (fibre ingredient), potatoes (starchy vegetable), millet (whole grain), peas (whole pulse), dried chicory root (fibre ingredient).

    0 / 8
  • Split plant fractions

    Split plant fractions understate the true plant load in the ingredient order.

    -1

How is it made?

5 / 10

Processing method: Extruded. This category measures food integrity only. Raw handling safety is assessed separately under Safety and Quality Control, so a raw food can score well here and still lose safety points.

  • Processing method

    Extruded processing. Food integrity only. Raw handling safety is assessed separately under Safety and Quality Control.

    +5 / 10

How transparent is the manufacturer?

6 / 10
  • Animal species clearly identified

    Not publicly verified

  • Ingredient sourcing disclosed

    Not publicly verified

  • Country or region identified

    Country or region of origin published: United States.

  • Manufacturing location identified

    Not publicly verified

  • Detailed nutritional analysis

    A detailed nutritional analysis is published.

  • Traceability information

    Not publicly verified

  • Manufacturer provides sourcing detail

    Not publicly verified

  • Overall formulation transparency

    A complete ingredient panel and an identified manufacturer are on file.

Marketing language alone does not count. Anything that has not been published is shown as not publicly verified rather than as a failure.

Nutritional Formulation

10 / 10
  • Complete and balanced for the stated life stage

    Kirkland Signature Super Premium Mature Dog Chicken, Rice & Egg Formula is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

  • Detailed nutritional analysis available

    A full guaranteed analysis with energy content is on file.

  • Qualified formulation expertise

    Not publicly verified

  • Feeding trial or validation

    Not publicly verified

  • Calcium and phosphorus disclosed

    Calcium 0.9 percent and phosphorus 0.7 percent disclosed.

Safety and Quality Control

10 / 10
  • Batch testing

    Not publicly verified

  • Pathogen testing

    Not publicly verified

  • Supplier verification

    Not publicly verified

  • Lot traceability

    Not publicly verified

  • Nutrient verification

    Not publicly verified

  • Manufacturing quality program

    Not publicly verified

  • Recall context and corrective action

    No recalls on file.

A recall alone does not destroy a score. Severity, cause, frequency, recency and documented corrective action are all considered.

What we could not verify

Unknown information is not treated as bad information. It is scored as unverified and it lowers the confidence rating instead.

  • Carbohydrate (incomplete guaranteed analysis)
  • Verified animal ingredient percentage
  • Ingredient sourcing evidence
  • Manufacturing location
  • Quality control and testing evidence
Submit a correction or supply missing evidence

Where to Buy

Canadian retailers on record. Stock and price vary by store and province.

    Guaranteed Analysis

    As-fed basis
    Protein
    27%
    30% dry matter
    Minimum crude protein as declared on the label.
    Fat
    12%
    Minimum crude fat as declared.
    Fibre
    3%
    Maximum crude fibre as declared.
    Moisture
    10%
    Maximum moisture as declared.
    Calcium
    0.9%
    Declared calcium level.
    Phosphorus
    0.7%
    Declared phosphorus level.
    Energy
    3529
    kcal / kg
    Metabolisable energy per kilogram.

    Kirkland Signature Super Premium Mature Dog Chicken, Rice & Egg Formula is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

    Certifications & Claims

    Only certifications we can confirm from the brand's own documentation or the certifying body appear here. Nothing is assumed — if a program isn't listed, it isn't disclosed for this product.

    Not disclosed — no third-party certification is confirmed for this product yet.

    FeedWise Findings

    The FeedWise Verdict

    5.7/ 10FairModerate Confidence

    Why it scored this way

    • Complete diet: complete and balanced (aafco)
    • Limited animal protein contribution relative to the plant content
    • No concentrated plant protein inflating the protein figure
    • Limited publicly verified sourcing information

    Full score breakdown

    Animal Protein Quality13.3 / 25
    Ingredient Quality13 / 20
    Carbohydrate and Plant Load0 / 15
    Processing and Food Integrity5 / 10
    Transparency and Sourcing6 / 10
    Nutritional Formulation10 / 10
    Safety and Quality Control10 / 10
    Total57.3 / 100

    FeedWise Score 5.7 · Fair · Moderate Confidence

    How FeedWise Scores Dog Food →

    Scored by the FeedWise 100 point model. Read the full methodology.

    Community reviews do not affect the Feed Wise score.

    Owner reviews

    Real experiences from Paw Privileges members. Reviews never affect the Wise score — scoring is based only on label evidence.

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