Dog Obesity UK

According to the PDSA and BVA, obesity is one of the top welfare issues for British dogs. Excess fat is not cosmetic — it is an active tissue that promotes inflammation and increases strain on joints, heart and lungs.

Overweight dogs are more likely to develop:

• Osteoarthritis and cruciate ligament injury
• Type 2 diabetes mellitus
• Respiratory difficulty (especially brachycephalic breeds)
• Reduced exercise tolerance and heat intolerance
• Shorter lifespan compared with lean dogs of the same breed

Many owners normalise gradual weight gain over years. Regular weighing at the vet — or on home scales for small dogs — catches drift early.

According to Blue Cross and PDSA guidance, use these checks at home:

Vets use a body condition score (BCS) — commonly 1–9, with 4–5 ideal. Ask your practice to record BCS at every visit so you can track trends. Puppies, elderly dogs and some breeds (such as sighthounds) need individual interpretation — do not rely on breed average weight charts alone.

According to the BVA, common contributors include:

• Overfeeding relative to activity level
• High-calorie treats, table scraps and multiple family members feeding
• Reduced exercise after injury or in bad weather
• Neutering without portion adjustment — see Dog neutering UK
• Underlying illness — hypothyroidism, Cushing's disease or fluid retention

If your dog gains weight despite measured feeding, or shows other signs such as increased thirst, coat changes or a pot belly, book a vet examination before cutting calories further.

According to the PDSA, effective UK weight management involves:

1. Vet or nurse consultation — target weight, calorie plan, rule out medical causes
2. Measured meals — kitchen scales for every meal; split daily allowance
3. Treat strategy — weigh treats; use kibble from the daily allowance; avoid human fatty foods
4. Appropriate exercise — build duration gradually; swimming can suit arthritic dogs
5. Fortnightly weigh-ins — adjust portions if loss is too fast or too slow

Crash diets are dangerous — rapid weight loss can trigger hepatic lipidosis in cats and is inappropriate for dogs too. Aim for steady, sustainable loss.

Prescription weight-loss diets are available through UK vets — they allow larger portions for the same calories, which helps some dogs feel satisfied. Discuss whether a therapeutic diet suits your dog.

According to Blue Cross, puppies should never be calorie-restricted for weight loss without strict veterinary supervision — they need nutrients for growth. Overweight puppies need a vet-led plan.

In multi-dog households, feed separately so one dog cannot steal another's food. Use puzzle feeders for mental stimulation without extra calories.

Senior dogs losing muscle while gaining fat need tailored protein and exercise advice — not simply less food without assessment.