After a summer of extra treats, BBQ scraps, and a more relaxed routine, late summer is a natural moment to take an honest look at your pet’s weight. Pet obesity is one of the most common — and most preventable — health issues veterinarians see, and it contributes to a long list of serious conditions.
The tricky part is that weight gain in pets is gradual, which makes it easy to miss day to day. Here’s how to actually assess it, and what to do if your pet needs to lose some weight.
Why Pet Weight Matters
Carrying excess weight isn’t just a cosmetic issue. Overweight pets face significantly higher risk of:
- Osteoarthritis and joint problems — extra weight accelerates wear on joints
- Diabetes, particularly in cats
- Heart and respiratory strain
- Reduced life expectancy — studies show a measurable difference in lifespan between lean and overweight dogs
- Increased anesthetic and surgical risk for any future procedures
The encouraging news: even modest weight loss produces meaningful health improvements.
How to Check Your Pet’s Body Condition at Home
Rather than relying on the number on a scale alone, body condition scoring gives a clearer picture:
- Ribs: You should be able to feel your pet’s ribs easily with light pressure, without seeing them prominently. If you have to press firmly to find them, your pet likely needs to lose weight.
- Waist: Looking down from above, your pet should have a visible waist behind the ribs. A straight or barrel-shaped torso suggests excess weight.
- Abdominal tuck: From the side, your pet’s belly should tuck up behind the ribcage. A belly that hangs level with or below the ribcage is a sign of excess weight.
If two or more of these signs point toward being overweight, it’s worth a conversation with your vet.
Common Reasons Pets Gain Weight
- Treats and table scraps adding up. These are often underestimated in terms of actual calorie contribution
- Free-feeding (food left out all day) rather than measured portions
- Reduced activity, especially as pets age or seasons change
- Spaying or neutering, which lowers metabolic rate somewhat
- Underlying medical conditions, like hypothyroidism in dogs and certain hormonal conditions, can contribute to weight gain and are worth ruling out
What Actually Helps
Measure, Don’t Eyeball, Food Portions
Free-pouring food consistently overestimates portions. Use an actual measuring cup and follow feeding guidelines based on your pet’s target weight, not their current weight — your vet can help calculate an appropriate target.
Account for Treats in the Daily Total
Treats should make up no more than about 10% of daily caloric intake. Consider swapping some treats for a portion of your pet’s regular kibble, or use small pieces of plain vegetables like carrots for dogs.
Increase Activity Gradually
More movement helps, but should be increased gradually, especially for pets who have been sedentary or have joint concerns. A vet check before starting a new exercise routine is wise for significantly overweight pets.
Weigh-Ins and Vet Support
Regular weigh-ins (monthly is reasonable) help track progress. For pets needing to lose a significant amount, a vet-supervised weight loss plan with a specific caloric target is more effective and safer than guesswork.
Conclusion
Pet obesity develops gradually, which is exactly why it’s worth a deliberate check rather than assuming everything is fine. A simple body condition assessment, honest tracking of treats, and a vet-guided plan if needed can add meaningful years of healthy life to your pet.
Concerned about your pet’s weight or overall health?
Fredericton Veterinary Walk-in & Urgent Care can help with an assessment. Open noon–midnight, 7 days a week.