Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg vs Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg and Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg.
Last verified: 07 Apr 2026 · Based on 23 reviews
Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg scores 77.0/100 vs Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg at 73.0/100. Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg wins on ingredient quality, nutritional value, transparency. Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg is stronger on value for money.
Which is better: Pooch & Mutt - Slim & Slend... or Dry Senior Dog Food 7+ Rich...?
Pooch & Mutt edges ahead with a higher score (77 vs 73) and stronger ingredient quality, making it the better pick for overweight dogs needing a proven, palatable diet food. Burgess Sensitive is the smarter buy for senior dogs aged 7+ on a budget — at £28.46 versus £47.00, it costs nearly half the price and suits sensitive stomachs well.
— AIScored Editorial Team
How Do the Scores Compare?
Pooch & Mutt - Slim & Slend...
Pooch & Mu
|
Dry Senior Dog Food 7+ Rich...
Burgess Sensitiv
|
|
|---|---|---|
| Overall Score | 77.0 | 73.0 |
| Ingredient Quality |
79.0/100
Best
|
70.0/100 |
| Nutritional Value |
71.0/100
Best
|
67.0/100 |
| Value for Money | 67.0/100 |
78.0/100
Best
|
| Transparency |
82.0/100
Best
|
66.0/100 |
| Palatability |
87.0/100
Best
|
82.0/100 |
| Best Price | £47.00 Amazon UK → |
£28.46
Amazon UK →
Cheapest
|
| Form | ||
| Dose | ||
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 12 | 11 |
Pooch & Mutt - Slim & Slender Co...
Pros
- ✓45% named chicken with no by-products or meat meal — highly transparent sourcing
- ✓Proven weight loss results reported across multiple breeds including fussy eaters (Akita, Labs, spaniels)
- ✓Excellent palatability — accepted even by dogs that rejected other diet foods
- ✓Good digestive tolerance — multiple reviewers note no stomach upset or loose stools
Cons
- ✗Premium price — reviewers explicitly note it is 'rather expensive'
- ✗Pea protein (a legume) raises ongoing concern linked to canine dilated cardiomyopathy (DCM) under FDA investigation — consult vet for long-term use
- ✗Weight loss rate can be slow for some dogs — one owner notes 'small amount' of loss after several months
- ✗Labelled for adult dogs, not specifically formulated for senior nutritional requirements (reduced phosphorus, added joint support) despite appearing in a senior category
Best For
Dry Senior Dog Food 7+ Rich in T...
Pros
- ✓Named turkey protein with no by-products or meat meal — honest, clear ingredient labelling
- ✓Strong owner-reported results for sensitive stomachs, firmer stools, and anal gland health
- ✓Small kibble size well-suited to senior dogs with reduced dental strength
- ✓Reported free from wheat and maize, reducing common dietary triggers
Cons
- ✗Full ingredient list not provided — carbohydrate sources, fibre type, and additive profile cannot be verified
- ✗Glucosamine and chondroitin quantities not declared, making joint support claims unverifiable
- ✗Mainstream processing standard — no fresh or raw meat; protein bioavailability lower than premium fresh-first brands
- ✗No third-party nutritional certification or feeding trial data disclosed
Best For
What does the data say about Pooch & Mutt - Slim & ... vs Dry Senior Dog Food 7+...?
Pooch & Mutt Slim & Slender and Burgess Sensitive Senior serve quite different dogs despite both being dry kibble. The Pooch & Mutt formula is grain-free with 45% named chicken, designed specifically for weight loss in adult dogs — it scored 77/100 at £47 for 10kg. Burgess is built for dogs aged 7 and over, using turkey as the lead protein in a smaller kibble suited to older jaws, scoring 73/100 at a considerably lower £28.46 for 12.5kg.
If your dog is overweight, struggling with grain sensitivities, or has rejected other diet foods, the Pooch & Mutt is worth the premium — owners report genuine weight loss across fussy breeds. The caveat is that pea protein features in the recipe, and the FDA's ongoing DCM investigation into legume-heavy diets means a vet conversation is sensible for long-term feeding. Burgess makes more sense for a senior dog with a sensitive stomach or weaker teeth, and the value score of 78/100 reflects that significantly lower price per kilogram.
The practical catch with Burgess is transparency — the full ingredient list isn't published, so carbohydrate sources and the actual glucosamine content remain unverifiable. Neither product carries third-party certification, so both require some owner trust.
Pooch & Mutt Slim & Slender uses 45% named chicken as its sole animal protein — a high-quality, transparent choice with no by-products or meat meal.
What are the key differences?
Frequently Asked Questions
Which is better, Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg or Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg? ▼
Is Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg worth the price compared to Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg? ▼
Which has fewer side effects? ▼
Related Product Comparisons
Naturediet - Feel Good Wet Dog Food, Natural and Nutritionally Balanced, Senior-Lite, 390g (Pack of 18)
vs Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg
Naturediet - Feel Good Wet Dog Food, Natural and Nutritionally Balanced, Senior-Lite, 390g (Pack of 18)
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Pooch & Mutt - Adult Minis Superfood Complete Dry Dog Food Grain Free (Small Sized Kibble), for Small Dogs, Chicken, 7.5kg
vs Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg
Pooch & Mutt - Adult Minis Superfood Complete Dry Dog Food Grain Free (Small Sized Kibble), for Small Dogs, Chicken, 7.5kg
vs Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg
Pooch & Mutt - Complete Senior Dry Dog Food (Grain Free), Chicken & Superfood Blend, 1.5kg
vs Pooch & Mutt - Slim & Slender Complete Dry Dog Food Grain Free (Regular Sized Kibble), for Weight Control and Weight Loss, Chicken and Sweet Potato, 10kg
Pooch & Mutt - Complete Senior Dry Dog Food (Grain Free), Chicken & Superfood Blend, 1.5kg
vs Dry Senior Dog Food 7+ Rich in Turkey, 12.5 kg
What the Data Says
Which senior dog food brands use named meat sources vs 'derivatives'?
All top 10 senior dog foods in our database use named meats and zero by-products. Across 20 scored products, the pattern is consistent: higher ingredient quality tracks with specific protein sourcing.
The top five by overall score:
- Naturediet Feel Good Wet (82/100, IQ 83) — chicken and turkey
- Pooch & Mutt Adult Minis (78/100, IQ 81) — chicken
- Pooch & Mutt Complete Senior (77/100, IQ 78) — chicken
- Pooch & Mutt Slim & Slender (77/100, IQ 79) — chicken
- Skinner's Field & Trial Light & Senior (74/100, IQ 70) — chicken
The ingredient quality spread is 18 points (83 down to 65), and it tracks closely with how specific brands are about their protein sources.
Why it matters: "meat and animal derivatives" is a legal catch-all that lets manufacturers swap protein sources between batches. Named meats — "chicken 26%" or "turkey 30%" — lock the recipe down. For senior dogs with sensitive digestion, that consistency matters. Check the first three ingredients: if you see a specific animal name with a percentage, you know what your dog is eating.
Does senior dog food need to be grain-free?
The data says no. Our top-scoring senior dog food — Naturediet Feel Good Wet at 82/100 — contains grains and still outperforms every grain-free option in the category.
The top five is split on grain status:
- Naturediet Feel Good Wet (82/100, IQ 83) — not grain-free
- Pooch & Mutt Adult Minis (78/100, IQ 81) — grain-free
- Pooch & Mutt Complete Senior (77/100, IQ 78) — grain-free
- Pooch & Mutt Slim & Slender (77/100, IQ 79) — grain-free
- Skinner's Field & Trial (74/100, IQ 70) — gluten-free, not grain-free
What actually separates good from mediocre senior dog food: named meat content, absence of by-products, and overall formulation quality. Grains like brown rice and oats provide fibre and slow-release energy that many senior dogs handle well.
The grain-free trend started from concerns about specific grain allergies — real, but uncommon. Unless your vet has identified a grain sensitivity, ingredient quality scores are a better predictor of food quality than the grain-free label alone.
Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.
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