Our verdict
Is Josera Adult Herring a good dog food?
We score it 49/100 (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 herring, sweet potatoes and salmon oil as the main ingredients.
100% 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
- Single named protein: fish
- Doesn't list chicken, beef, turkey, lamb, venison, pork, duck as ingredients
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 feeding
Typical analysis (as fed)
No analysis recorded yet.
Additives & feeding info
Feeding and storage
Storage
Fully recyclable packaging made with a single component so it can be recycled with your home recycling.
Feeding guide
Protein and fat content is moderate so Josera Adult Herring is ideal for normal energy requirements every day. Digestibility of 92–93% means daily feed amounts are very low.
No additives recorded yet.
Ingredients (7)100% of the recipe is estimated
Estimated composition
- supplement 55.0%
- meat 16.0%
- carb 15.0%
- oil 14.0%
| # | As declared | Matched | Label reading | Declared % | Est. % |
|---|---|---|---|---|---|
| 1 | Herring | Herring | meat · good | - | 18.2 |
| 2 | sweet potato | Sweet Potatoes | carb · good | - | 16.9 |
| 3 | salmon oil | Salmon Oil | oil · good | - | 15.6 |
| 4 | yeast cell walls | Yeast | supplement · good | - | 14.3 |
| 5 | L-carnitine | L-Carnitine | supplement · medium | - | 13.0 |
| 6 | taurine | Taurine | supplement · good | - | 11.7 |
| 7 | vitamins C and E | Vitamin | supplement · good | - | 10.4 |
- 1. Herring18.2% estimated
- 2. sweet potato16.9% estimated
- 3. salmon oil15.6% estimated
- 4. yeast cell walls14.3% estimated
- 5. L-carnitine13.0% estimated
- 6. taurine11.7% estimated
- 7. vitamins C and E10.4% estimated
Trust and sourceNo recalls recorded in our database · checked 2026-08-30
Brand and contact: Josera
- Website
- https://josera.com/
- Contact page
- josera.com
Trust and provenance
- Recall history
- No recalls recorded in our database
- Label data last checked
- 2026-08-30
- Scored with
- Model v3 (methodology)
- Product page
- www.josera.co.uk
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 food achieves an overall score of 49 out of 100. Ingredients without printed percentages contributed -10.6 points, while the overall quality of the ingredient list added +8.3 points. Additionally, the processing format contributed -6.7 points and the oil and fat content added -1.8 points to the final calculation.
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 | 0.9 | 9.191 | +8.34 |
| Carb share of dry matter | 5.2% | -0.115 | -0.59 |
| Oil share of dry matter | 19.1% | -0.092 | -1.75 |
| Supplement share of dry matter | 69.6% | -0.012 | -0.85 |
| Undeclared quantities | 100.0% | -0.106 | -10.56 |
| Low meat (under 10% of dry matter) | yes | -3.158 | -3.16 |
| 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 | 0.9 | 9.191 | +8.34 |
| Meat share of dry matter | 0.0% | 0.096 | +0.00 |
| Carb share of dry matter | 5.2% | -0.115 | -0.59 |
| Oil share of dry matter | 19.1% | -0.092 | -1.75 |
| Vegetable share of dry matter | 0.0% | -0.005 | +0.00 |
| Additive share of dry matter | 0.0% | 0.163 | +0.00 |
| Supplement share of dry matter | 69.6% | -0.012 | -0.85 |
| 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 | 0.0% | -0.065 | +0.00 |
| Poor-quality meat in recipe | 0.0% | -0.179 | +0.00 |
| Number of poor ingredients | 0 | -0.876 | +0.00 |
| Largest single poor ingredient | 0.0% | 0.060 | +0.00 |
| Undeclared quantities | 100.0% | -0.106 | -10.56 |
| 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) | yes | -3.158 | -3.16 |
| 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 | 0.00 | 0.222 | +0.00 |
| 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
- 48.8
- Final score
- 49/100
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
Analytical constituents not declared
No nutritional additives section declared on the label.
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 (voluntary) - not on file | 0/20 |
| 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
- "Made with 100% herring as the only animal protein source" — supported by the declared single protein data.
- "Single meat protein" — supported by the declared single protein data.
- "Grain free" — supported by the declared grain-free data.
- "grain-free complete dog food" — supported by the declared complete and balanced data.
15 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 |
|---|---|---|---|
| Immune Plus (on page) | Functional | not checkable | Manufacturer assertion |
| Skin & Coat (on page) | Functional | not checkable | Manufacturer assertion |
| rich source of omega-3 fatty acids and iodine which optimally support the cardiovascular system, brain function and metabolism (on page) | Functional | not checkable | Manufacturer assertion |
| SALMON OIL provides valuable OMEGA-3 fatty acids such as DHA and EPA supporting the heart and brain and also contributes to healthy skin and a shiny coat (on page) | Functional | not checkable | Manufacturer assertion |
| JOSERA IMMUNE PLUS from yeast cell walls which are rich in glucans and MOS (mannan oligosaccharides) which have a prebiotic effect and support the immune system (on page) | Functional | not checkable | Manufacturer assertion |
| Valuable anti-oxidants such as vitamins C and E help ward off free radicals (on page) | Functional | not checkable | Manufacturer assertion |
| L-CARNITINE and TAURINE support heart function and encourage fat metabolism (on page) | Functional | not checkable | Manufacturer assertion |
| EXCEPTIONAL DIGESTIBILITY of 92 – 93% (on page) | Functional | not checkable | Manufacturer assertion |
| Sweet potato (on page) | Content | not checkable | Manufacturer assertion |
| Made with 100% herring as the only animal protein source (on page) | Content | consistent | Manufacturer assertion |
| added salmon oil delivering valuable DHA and EPA fatty acids (on page) | Content | not checkable | Manufacturer assertion |
| Single meat protein (on page) | Content | consistent | Manufacturer assertion |
| FREE FROM wheat, soya and GM ingredients (on page) | Free-from | not checkable | Manufacturer assertion |
| Salmon oil Omega 3 (on page) | Content | not checkable | Manufacturer assertion |
| GLUTEN-FREE recipe (on page) | Free-from | not checkable | Manufacturer assertion |
| Protein and fat content is moderate (on page) | High/low level | not checkable | Manufacturer assertion |
| Grain free (on page) | Free-from | consistent | Manufacturer assertion |
| FREE FROM artificial flavourings, colourings and preservatives, and dairy and sugar (on page) | Free-from | not checkable | Manufacturer assertion |
| grain-free complete dog food (on page) | Content | consistent | 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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