Feel your dog’s ribs, look for a waist from above and check the abdomen from the side. Together, these observations tell you more about body fat than a number on the scales alone.
Weight gain can be difficult to notice when you see your dog every day. A gentle body-condition check helps you spot changes and gives you something specific to discuss with your veterinarian.
Three checks you can do at home
Let your dog stand naturally on a level surface. Use gentle handling and stop if they seem uncomfortable.
Feel the ribs
Run your hands along the chest. At an ideal body condition, the ribs should be easy to feel beneath a light covering of fat. Having to press firmly to find them suggests excess fat.
Look from above
Look for a narrowing behind the rib cage. This is the waist. A waist that has become less distinct can indicate weight gain, although coat and natural build affect what you can see.
Look from the side
The abdominal outline should generally rise behind the ribs. This upward curve is the abdominal tuck. Consider it alongside the rib check rather than judging your dog from their silhouette alone.
Understanding body condition score
Body condition score, or BCS, assesses fat stores. On the WSAVA nine-point scale, 4–5 is the ideal range; 6–9 indicates increasing excess body fat. Scores below 4 indicate that a dog is under ideal condition.
Ask your veterinary team to demonstrate the assessment on your dog. A breed weight chart cannot account fully for individual frame size or muscle mass.
An overweight dog can still lose muscle
Muscle condition is assessed separately from body fat. Fat covering the body can conceal muscle loss, particularly as dogs age or develop illness.
Ask for both a body condition score and a muscle condition assessment. A falling scale weight does not, by itself, show that a dog is losing only unwanted fat.
When to arrange a veterinary assessment
Book an appointment if your dog’s ribs are difficult to feel, their waist has disappeared or weight is steadily increasing. Mention changes in activity, appetite or mobility as well. The examination helps establish whether further investigation is needed before changing food or exercise.
Sudden abdominal swelling is different from gradual weight gain. A rapidly enlarging abdomen, repeated attempts to vomit without bringing anything up, marked distress or collapse requires emergency veterinary care. These can be signs of gastric dilatation-volvulus, a life-threatening condition.
Build a feeding plan around the whole day
Bring the food packaging and a record of everything your dog eats to the appointment. Include meals, training rewards, dental chews, scraps and food used to hide medication. Note who feeds them and whether they can reach another pet’s bowl.
Your veterinarian can recommend a target weight, daily food allowance and suitable diet. Severe restriction of an ordinary maintenance food can reduce essential nutrients along with calories; a therapeutic weight-loss diet may be more appropriate.
Make the agreed allowance easy to follow: measure it consistently and share the plan with everyone who feeds your dog. Count rewards within that allowance rather than adding them automatically.
Growing puppies need nutrition that supports development. Do not apply an adult weight-loss plan to a puppy without veterinary guidance. Our guide to common puppy health problems also covers growth concerns.
Match activity and follow-up to your dog
Agree on activity that suits your dog’s fitness and mobility. A dog struggling with movement may need pain assessment or rehabilitation before exercise increases.
Arrange follow-up weigh-ins and reassessment of fat and muscle. If progress stalls, review the feeding record with your veterinary team before cutting portions again. Keep the plan practical enough to continue once your dog reaches a healthy condition.




