Ingredient file // Animal protein
Cod
Lean fish protein, with little fish oil
Cod is a lean ocean fish used as fresh fish or recovered flesh in dog food. It supplies animal protein with little fat. The cod name alone does not tell you whether the finished food is low fat, rich in fish oil, or suitable for an allergic dog.
- What it is
- Atlantic or Pacific cod supplied as fresh fish or recovered flesh for use in dog food.
- Made from
- Atlantic or Pacific cod
- Main job
- Lean animal protein
- Typical amount
- Named recipes declare 5 to 40%
- Watch for
- A diagnosed cod allergy
- Not the same as
- Cod liver oil
Straight answer
Is Cod safe for dogs?
Read the finished food beyond the cod
Cod high on the list is a source of fish protein weighed with its water. Check the finished food's protein and fat figures, then look for added oils and other proteins nearby. For weight or joint claims, use the recipe's measured nutrients rather than the cod name.
- Why it is in the food
- Lean animal protein
- How common
- Listed by 33 of the 3,205 foods we track
Our read // In our catalog
In 1 of every 97 foods we track
Share of foods that list it
1%
33 of the 3,205 foods with an ingredient list on file, from 11 brands. 17 dry dog food, 10 wet dog food, 4 frozen dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 5. In the top five of 19 foods, so it is usually a main ingredient.
Above the salt
Almost always listed before the salt, so there is more of it than a pinch.
Price per lb
Median of the cheapest bag price across 14 priced foods, 26% above the catalog. The price is the food's, not the ingredient's.
Who leans on it
24%
of the foods that list it are from Instinct. 11 brands use it in total.
What it is
How it is made
Seafood processors fillet cod for food, leaving trimmings with recoverable flesh. A separator can collect that flesh as mince. Fillets or mince are chilled or frozen before they reach a pet food plant.5,6,7
- 01 // Source Caught cod Atlantic or Pacific cod enters seafood processing while fresh or kept cold after capture.
- 02 // Process Filleted Processors cut flesh away from the backbone, leaving trimmings that still hold usable fish.
- 03 // Process Flesh recovered When trimmings are minced, a separator collects flesh while holding back most skin and bone.
- 04 // Output Chilled or frozen cod Fillets or recovered mince arrive with their natural water still present, ready for a food recipe.
What is in it
Composition, as fed
81
% water
The average water in raw cod flesh. Cod is weighed wet on the ingredient list, so its place there overstates the fish protein left after cooking.
Why it is in the bag
What the manufacturer gets
-
01
Adds animal protein
Cod flesh contributes protein with little fat. How much protein it contributes to a finished food depends on the amount of cod in the recipe.5,13
-
02
Leaves fat to formulation
Lean cod lets a maker choose and measure added oils separately. The finished food's fat figure reflects every ingredient, including oils and other animal foods.5,10,12
-
03
Recovers usable flesh
Separating fillet trimmings yields additional flesh from fish already being processed. That recovery gives makers another supply of fish without requiring intact fillets.6
-
04
Names the fish
Cod identifies a fish on the label. That specificity is useful to buyers, although an ingredient list ranked by weight does not usually state its percentage.9,10,11,12
How much Published recipes declare 5% fresh cod in a dry food, 10% in a wet food, and 40% in a fresh food.10,11,12
Our read // The claims
What the evidence supports
Strong: controlled studies in dogs agree. Some: small or mixed dog data. Thin: mechanism or lab work only. None: nothing, or the evidence points the other way.
-
Brands say
Cod gives dogs lean animal protein
Evidence
- Strong
- Some
- Thin
- None
NOAA lists Atlantic and Pacific cod flesh at 17.4% and 18.0% protein as fed, with little oil. Cod is a lean protein ingredient; the finished food's fat and protein depend on the full recipe.5
-
Brands say
Cod is a safe protein for allergic dogs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
In a blinded challenge, 4 of 12 dogs reacted to cod, but about half of all dogs also reacted to placebo, with no significant difference between food and placebo reactions (p = 0.5). A separate study found 27 atopic dogs worsened after cod exposure.1,2
-
Brands say
Cod provides fish oil benefits for joints
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A fillet survey found 253 mg of EPA plus DHA per 100 g of Atlantic cod. A separate trial tested oil-enriched diets in 177 arthritic dogs, not cod flesh. A cod listing does not show a joint-health dose.3,4
-
Owners say
A cod recipe must be low fat
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Cod flesh is lean, but added fats and other ingredients change the food. One wet recipe declares 10% fresh cod and 7% crude fat as fed. Read the finished food's analysis for fat control.5,10
-
Owners say
Cod contains no mercury
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
FDA's survey of 115 commercial cod samples found a mean mercury concentration of 0.111 parts per million. That is measurable, so a zero-mercury claim is false. The ingredient name does not reveal a supplier's test result.8
Straight answers
What owners ask
-
Q01
Is cod just filler?
NoCod flesh supplies animal protein. Its low fat content lets a formulator control added fat elsewhere in the recipe. The amount used determines its contribution, so read the whole label and food analysis.5,9
-
Q02
Does cod first mean more fish?
Not necessarilyIngredients are listed by weight, and raw cod is about 81% water. Some of that water leaves during cooking. Look at the other proteins and the finished food analysis before judging how much fish protein remains.9,13
-
Q03
Is cod good for allergies?
Not by defaultCod is a fish protein that has triggered reactions in challenge studies on allergic dogs. A diagnosed cod allergy rules it out, even when a package presents fish as an alternative protein.1,2
-
Q04
Is cod liver oil the same?
NoCod flesh supplies mostly water and protein, with little fat. Cod liver oil comes from a different part of the fish and serves as an oil ingredient. One name does not stand in for the other.5,13
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Foods that list it / all the brand's recipes we track.
Plus 1 more brand.
Usually listed with, share of the foods that list it
- Salmon 33%
- Sunflower Oil 30%
- Peas 30%
- Flaxseed 30%
- Mixed Tocopherols 27%
- Chicken 27%
- Lentils 27%
- Carrots 24%
- Beef Liver 21%
- Beef Kidney 21%
- Sweet Potatoes 21%
- Chickpeas 21%
On the shelf
Foods that list Cod
33 foods in our catalog list it, highest on the label first.
Open FarmOpen Farm Icelandic Cod & Herring Grain-Free Wet Dog Food
AnnamaetAnnamaet OHANA Grain-Free Dry Dog Food
AnnamaetAnnamaet Sustain Grain-Free Dry Dog Food
NuloNulo FreeStyle Adult Trim Cod & Lentils Recipe Grain-Free Dry Dog Food
GatherGather Wild Ocean Line-Caught Cod Recipe for Adult Dogs Grain-Free Dry Dog Food
Go! SolutionsGo! Solutions Carnivore Grain-Free Salmon + Cod Recipe Dry Dog Food
K9 NaturalK9 Natural Baked & Coated Wild-Ocean Fish Recipe Grain-Free Dry Dog Food
OrijenOrijen Amazing Grains, Fit & Trim Dry Dog Food
Health ExtensionHealth Extension food Grain Free Northern Catch Wet Dog Food
InstinctInstinct Original Food for Small Breed Dogs Real Chicken Recipe Grain-Free Wet Dog Food
NuloNulo FreeStyle Paté Puppy Turkey, Cod & Sweet Potato Recipe Grain-Free Wet Dog Food
InstinctInstinct FreshDried Raw Meals for Puppies Chicken Recipe Grain-Free Freeze-Dried Dog Food Show 21 more
InstinctInstinct Original Food for Small Breed Dogs Real Beef Recipe Wet Dog Food
NuloNulo MedalSeries Paté Weight Management Turkey & Cod Recipe Wet Dog Food
NuloNulo FreeStyle Paté Adult Trim Turkey & Cod Recipe Grain-Free Wet Dog Food
InstinctInstinct Raw Longevity Bites Cage-Free Chicken Recipe for Puppies Grain-Free Frozen Dog Food
InstinctInstinct Raw Bites Cage-Free Chicken Recipe for Puppies Frozen Dog Food
OrijenOrijen Fit & Trim Grain-Free Dry Dog Food
InstinctInstinct Raw Boost Frozen Mixers Skin & Coat Health Dog Food Topper
InstinctInstinct Raw Longevity Patties Grass-Fed Beef & Wild-Caught Cod Recipe Frozen Dog Food
InstinctInstinct Raw Longevity Bites Grass-Fed Beef & Wild-Caught Cod Recipe Frozen Dog Food
OrijenOrijen Original Pâté with Liver Grain-Free Wet Dog Food
NuloNulo MedalSeries Weight Management Chicken & Sweet Potato Recipe Grain-Free Dry Dog Food
OrijenOrijen Regional Red Pâté with Liver Grain-Free Wet Dog Food
OrijenOrijen Premium Tundra Pâté with Liver Grain-Free Wet Dog Food
Stella & Chewy'sStella & Chewy’s SuperBlends Whitefish & Salmon : Raw Blend Oven Baked Kibble with Superfoods, Antioxidants & Probiotics Dry Dog Food
Stella & Chewy'sStella & Chewy’s Wild Caught Raw Blend Kibble Grain-Free Dry Dog Food
Stella & Chewy'sStella & Chewy’s Salmon Recipe with Pumpkin & Quinoa Raw Coated Kibble Wholesome Grains Dry Dog Food
Stella & Chewy'sStella & Chewy’s Wild-Caught Whitefish Raw Coated Kibble Grain-Free Dry Dog Food
Stella & Chewy'sStella & Chewy’s SuperBlends Whitefish & Salmon : Raw Coated Oven Baked Kibble with Superfoods, Antioxidants & Probiotics Dry Dog Food
Stella & Chewy'sStella & Chewy’s Wild Red : Whole Prey Ocean Fish Recipe, Raw Coated Kibble - Protein Rich Poultry Free with Grain Dry Dog Food
Stella & Chewy'sStella & Chewy’s Wild Red Grain Free : Whole Prey Ocean Fish Recipe, Raw Coated Dry Dog Food
BlueBlue Carnivora Adult Coastal Blend Dry Dog Food On labels as
Other names for this
Manufacturers do not all use the same wording. These all mean the same thing.
Sources
What we read
Checked October 24, 2026.
- 1 Randomised, Double-Blinded, Placebo-Controlled Challenge Test With Single Food Items in Dogs With Atopic Dermatitis and Adverse Food Reactions
- 2 IgE reactivity to fish allergens from Pacific cod (Gadus macrocephalus) in atopic dogs
- 3 Dose-Titration Effects of Fish Oil in Osteoarthritic Dogs
- 4 Fatty Acid Profiles of Commercially Available Finfish Fillets in the United States
- 5 Nutritional Properties of Recreationally Caught Marine Fishes
- 6 Minced Fish
- 7 Utilization and processing of fisheries and aquaculture production
- 8 Mercury Levels in Commercial Fish and Shellfish (1990-2012)
- 9 What's in the Ingredients List?
- 10 Monge Fresh Pate and Chunkies With Cod Fish
- 11 Fish Dog Food | Cod & Haddock Recipe
- 12 Cod Crew
- 13 The Cod