Our verdict
Is JosiDog Duck & Potato a good dog food?
We score it 54/100 (Average). This reflects the ingredient quality, composition and label transparency of the recipe as declared on the label.
Complete extruded dry food for adult dogs, with dried duck protein, potatoes and tapioca as the main ingredients.
Only part of the analytical constituents are declared, so the nutritional picture is incomplete.
48% of this recipe has no printed percentage. Estimated shares are model estimates, not label facts.
Who is this food for?
Suits
- Labelled by the manufacturer for adult dogs
- Grain-free: no grain ingredients listed
- Doesn't list beef, lamb, fish, venison, pork as ingredients
Consider something else if:
- Your dog avoids chicken: the label lists hydrolysed poultry protein
- Your dog avoids turkey: the label lists hydrolysed poultry protein
- Your dog avoids duck: the label lists dried duck protein
- You want a single-protein recipe: this one lists more than one animal protein
These points are derived from declared ingredients and analysis, not a substitute for veterinary advice. If your dog has a diagnosed condition, food choice is a medical nutrition decision: speak to your vet. Find foods that fit your dog.
Nutrition and feedingProtein 24% · Fat 14%
Typical analysis (as fed)
| Nutrient | As fed |
|---|---|
| Protein | 24% |
| Fat | 14% |
| Fibre | 2.40% |
| Ash | 7.60% |
| Calcium | 1.50% |
| Phosphorus | 0.90% |
| Sodium | 0.40% |
Additives & feeding info
Feeding and storage
Storage
The grain-free dry food for adult dogs with duck & potato
Feeding guide
Weight Activity / day up to 1 hour Activity / day up to 3 hrs 5 kg 85 g 100 g 10 kg 145 g 165 g 20 kg 240 g 280 g 30 kg 325 g 380 g 40 kg 405 g 470 g 60 kg 550 g 635 g 80 kg 680 g 790 g The recommended food quantities stated are per animal, per day. The amount of food should be reduced, for example if snacks are also provided. Please make sure your pet has fresh water at all times.
No additives recorded yet.
Ingredients (13)48% of the recipe is estimated
Estimated composition
- carb 41.3%
- meat 30.6%
- fibre 10.4%
- supplement 8.5%
- oil 5.8%
- veg 3.4%
| # | As declared | Matched | Label reading | Declared % | Est. % |
|---|---|---|---|---|---|
| 1 | dried duck protein 26% | Dried Duck Protein | meat · good | 26 | 26.0 |
| 2 | dried potato 26% | Potatoes | carb · medium | 26 | 26.0 |
| 3 | dried tapioca | Tapioca | carb · medium | - | 6.1 |
| 4 | poultry fat | Poultry Fat | oil · medium | - | 5.8 |
| 5 | beet fibre | Beet Fibre | fibre · medium | - | 5.5 |
| 6 | potato protein | Potato protein | carb · medium | - | 5.2 |
| 7 | carob meal | Carob Bean Meal | fibre · medium | - | 4.9 |
| 8 | hydrolysed poultry protein | Hydrolysed Poultry Protein | meat · medium | - | 4.6 |
| 9 | yeast | Yeast | supplement · good | - | 4.3 |
| 10 | hydrolysed vegetable protein | Vegetable protein extracts | carb · poor | - | 4.0 |
| 11 | minerals | Vitamins and minerals | supplement · medium | - | 3.7 |
| 12 | yeast cell walls 0.5% | Yeast | supplement · good | 0.5 | 0.5 |
| 13 | ground chicory root | Chicory root | veg · good | - | 3.4 |
- 1. dried duck protein 26%26% declared26.0% estimated
- 2. dried potato 26%26% declared26.0% estimated
- 3. dried tapioca6.1% estimated
- 4. poultry fat5.8% estimated
- 5. beet fibre5.5% estimated
- 6. potato protein5.2% estimated
- 7. carob meal4.9% estimated
- 8. hydrolysed poultry protein4.6% estimated
- 9. yeast4.3% estimated
- 10. hydrolysed vegetable protein4.0% estimated
- 11. minerals3.7% estimated
- 12. yeast cell walls 0.5%0.5% declared0.5% estimated
- 13. ground chicory root3.4% estimated
Trust and sourceNo recalls recorded in our database · checked 2026-08-22
Brand and contact: JosiDog
Trust and provenance
- Recall history
- No recalls recorded in our database
- Label data last checked
- 2026-08-22
- Scored with
- Model v3 (methodology)
- Product page
- josera.com
Recall history is presentation-only and never affects the score. Dates are when we recorded the data, not when the manufacturer last changed the recipe.
Spotted a mistake in this listing? Report it here and we'll take a look.
Score details and methodologyCalculations, history and evidence
Recipe: how the 1-100 score is calculated
Why this score?
This recipe achieves an overall score of 54 out of 100 based on several key factors. The processing format contributed -6.7 points, and the overall quality of the ingredient list added +5 points. On the other hand, ingredients without printed percentages resulted in -5 points, while the carbohydrate content accounted for -4.6 points.
Scored with model v3 on 2026-10-25. Each component is the feature value for this product multiplied by the model's published coefficient.
| Component | Input | Coefficient | Contribution |
|---|---|---|---|
| Base score | - | 30.909 | +30.91 |
| Average ingredient quality | 0.5 | 9.191 | +5.04 |
| Meat share of dry matter | 28.0% | 0.096 | +2.69 |
| Carb share of dry matter | 39.6% | -0.115 | -4.56 |
| Oil share of dry matter | 6.8% | -0.092 | -0.62 |
| Supplement share of dry matter | 9.1% | -0.012 | -0.11 |
| Recipe graded poor | 4.0% | -0.065 | -0.26 |
| Number of poor ingredients | 1 | -0.876 | -0.88 |
| Largest single poor ingredient | 4.0% | 0.060 | +0.24 |
| Undeclared quantities | 47.5% | -0.106 | -5.02 |
| Additive penalty | -0.24 | 0.222 | -0.05 |
| Processing multiplier | 0.98 | 33.786 | +33.11 |
| Processing: Dry Extruded | yes | -6.713 | -6.71 |
Show all 40 components
| Component | Input | Coefficient | Contribution |
|---|---|---|---|
| Base score | - | 30.909 | +30.91 |
| Average ingredient quality | 0.5 | 9.191 | +5.04 |
| Meat share of dry matter | 28.0% | 0.096 | +2.69 |
| Carb share of dry matter | 39.6% | -0.115 | -4.56 |
| Oil share of dry matter | 6.8% | -0.092 | -0.62 |
| Vegetable share of dry matter | 0.6% | -0.005 | -0.00 |
| Additive share of dry matter | 0.0% | 0.163 | +0.00 |
| Supplement share of dry matter | 9.1% | -0.012 | -0.11 |
| Other share of dry matter | 0.0% | -0.375 | +0.00 |
| Unrecognised share of dry matter | 0.0% | -0.027 | +0.00 |
| Recipe graded poor | 4.0% | -0.065 | -0.26 |
| Poor-quality meat in recipe | 0.0% | -0.179 | +0.00 |
| Number of poor ingredients | 1 | -0.876 | -0.88 |
| Largest single poor ingredient | 4.0% | 0.060 | +0.24 |
| Undeclared quantities | 47.5% | -0.106 | -5.02 |
| Prints ingredient percentages | no | 0.000 | +0.00 |
| Complete diet | no | 2.294 | +0.00 |
| Frozen or chilled fresh | no | 0.000 | +0.00 |
| High meat (30%+ of dry matter) | no | 0.707 | +0.00 |
| Low meat (under 10% of dry matter) | no | -3.158 | +0.00 |
| High carb and low meat | no | -1.180 | +0.00 |
| Meat share × printed percentages | 0.0 | 0.000 | +0.00 |
| Meat share × fresh | 0.0 | 0.000 | +0.00 |
| Fresh × high meat | 0.0 | 11.084 | +0.00 |
| Additive penalty | -0.24 | 0.222 | -0.05 |
| Processing multiplier | 0.98 | 33.786 | +33.11 |
| Processing: Raw | no | -0.054 | +0.00 |
| Processing: Fresh Chilled | no | -2.354 | +0.00 |
| Processing: Fresh Frozen | no | -2.354 | +0.00 |
| Processing: Fresh Refrigerated | no | 0.000 | +0.00 |
| Processing: Fresh Shelf | no | -0.672 | +0.00 |
| Processing: Dry Freeze Dried | no | 6.629 | +0.00 |
| Processing: Dry Air Dried | no | 6.331 | +0.00 |
| Processing: Dry Cold Pressed | no | -6.713 | +0.00 |
| Processing: Dry Baked | no | -6.713 | +0.00 |
| Processing: Dry Extruded | yes | -6.713 | -6.71 |
| Processing: Dry Semi Moist | no | -6.174 | +0.00 |
| Processing: Dry Muesli | no | -10.146 | +0.00 |
| Processing: Wet Pate | no | -0.672 | +0.00 |
| Processing: Wet Chunks | no | -0.672 | +0.00 |
- Processing-type offset
- +0.02
- Subtotal
- 53.8
- Final score
- 54/100
Contributions are rounded to two decimals, so they may not sum exactly to the subtotal. The full coefficient table is published on the methodology page.
Score history across model versions
The score shown above is always computed with the latest published model. Earlier scores are kept for the record and are never edited or deleted; a scoring change ships as a new model version with a public write-up on the methodology page.
Nutritional: declared analysis vs reference ranges
How the declared analysis compares with FEDIAF reference ranges for adult dogs. The label prints as-fed values; we convert to a dry-matter basis before scoring, and the bands are dry-matter ranges. Scores rise to 100 at the band midpoint: the reference is adequacy, not maximisation. Nutrients with a published upper limit taper again above it; fat is policed through calorie density rather than a direct penalty.
| Nutrient | As fed (label) | Dry matter (scored) | Score |
|---|---|---|---|
| Protein | 24 | 26.5 (band 18 to 40%) | 93.2 |
| Fat | 14 | 15.5 (band 5.5 to 20%) | 100 |
| Fibre | 2.4 | 2.7 (band 0.5 to 5%) | 98.7 |
| Calcium | 1.5 | 1.7 (band 0.5 to 2.5%) | 100 |
| Phosphorus | 0.9 | 1 (band 0.4 to 1.6%) | 99.7 |
| Sodium | 0.4 | 0.4 (band 0.1+%) | 100 |
| Calcium:phosphorus ratio | 1.7 | 1.7 (band 1 to 2%) | 100 |
Scored over 7 declared nutrients (combined weight 85); undeclared nutrients do not affect the score. Moisture was not declared and was estimated at 9.5% from the food type.
No nutritional additives section declared on the label.
Low confidence: partial analysis or moisture estimated from the food type.
This measures agreement with published reference ranges, not suitability for an individual dog. For medical conditions, follow veterinary guidance.
Transparency: what the label discloses
How much the manufacturer discloses, measured against the FEDIAF Code of Good Labelling Practice and Regulation 767/2009. Mandatory items dominate the weighting.
| Item | Points |
|---|---|
| Ingredient list on the label (mandatory) | 10/10 |
| Printed percentages on the label (52.5% of the recipe mass) (voluntary) | 10.5/20 |
| Analytical constituents declared (mandatory) - not on file | 0/15 |
| Additives declared (mandatory) - not on file | 0/10 |
| Energy value declared (voluntary) - not on file | 0/5 |
| Complete/complementary designation (mandatory) | 5/5 |
| Feeding guidance given (mandatory) | 10/10 |
| Manufacturer identity and address (mandatory) | 5/10 |
| Country of manufacture stated (voluntary) | 10/10 |
| Batch and date labelling (mandatory) - not on file | 0/5 |
Capped at 60: mandatory items missing (Analytical constituents declared, Additives declared, Batch and date labelling).
Safety: recall history
Recall and safety-notice history, time-decayed. This dimension is shown alongside the score and never feeds the headline number.
No recalls recorded in our database.
See all current recalls we track.
Evidence: what the brand claims, and what supports it
The claims made on the pack and product page, checked against the declared label. We record claims as stated; "consistent" means our stored label data supports the claim, "contradicted" means it conflicts with it. Functional claims are recorded but never scored.
100/100 · strong — 4 checkable claims: 4 consistent, 0 contradicted.
Consistent with the label
- "This recipe contains no grain" — supported by the declared grain-free data.
- "Grain free formula" — supported by the declared grain-free data.
- "Complete feed for adult dogs" — supported by the declared complete and balanced data.
- "grain-free recipe" — supported by the declared grain-free data.
18 further claims on file that we cannot check against the label.
Strong: at least three checkable claims, all consistent with the declared label, and no compliance cap.
| Claim | Type | Check | Substantiation |
|---|---|---|---|
| Biotin and valuable fatty acids also support beautiful skin and a shiny coat (on page) | Functional | not checkable | Manufacturer assertion |
| particularly well tolerated (on page) | Functional | not checkable | Manufacturer assertion |
| Our Josera IMMUNE PLUS can support your dog's immune system (on page) | Functional | not checkable | Manufacturer assertion |
| valuable antioxidants such as vitamins C & E, which have something of an anti-ageing effect for our four-legged friends (on page) | Functional | not checkable | Manufacturer assertion |
| ideal follow-on food for a smooth transition into adulthood (on page) | Functional | not checkable | Manufacturer assertion |
| Yeast cell walls are rich in glucans and mannans (MOS), which have a prebiotic effect and can therefore support the immune system (on page) | Functional | not checkable | Manufacturer assertion |
| Valuable antioxidants, such as vitamins C & E, help ward off free radicals (on page) | Functional | not checkable | Manufacturer assertion |
| A glossy coat and beautiful skin are signs of optimal nutrition for dogs (on page) | Functional | not checkable | Manufacturer assertion |
| valuable fatty acids, vitamins, zinc and copper in an easily absorbed and organically bound form (on page) | Functional | not checkable | Manufacturer assertion |
| particularly suitable for dogs with normal activity levels (on page) | Functional | not checkable | Manufacturer assertion |
| moderate energy content (on page) | Content | not checkable | Manufacturer assertion |
| protein 24.0 % (on page) | Nutrient | not checkable | Manufacturer assertion |
| The grain-free dry food for adult dogs with duck & potato (on page) | Content | not checkable | Manufacturer assertion |
| Moderate energy level (on page) | Content | not checkable | Manufacturer assertion |
| dried duck protein 26% (on page) | Nutrient | not checkable | Manufacturer assertion |
| This recipe contains no grain (on page) | Free-from | consistent | Manufacturer assertion |
| Grain free formula (on page) | Free-from | consistent | Manufacturer assertion |
| high-quality animal protein (on page) | Content | not checkable | Manufacturer assertion |
| Complete feed for adult dogs (on page) | Content | consistent | Manufacturer assertion |
| grain-free recipe (on page) | Free-from | consistent | Manufacturer assertion |
| dried potato 26% (on page) | Nutrient | not checkable | Manufacturer assertion |
| fat content 14.0 % (on page) | Nutrient | not checkable | Manufacturer assertion |
The full scoring method is published. See the methodology for exactly how the headline score and each dimension are calculated.
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