More than half of dogs and cats are overweight — and it quietly shortens their life and strains joints and heart. The good news: with the right portions and a little activity, pets lose weight safely. Here's how to tell, and what to do.
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Open the free feeding calculator →How to tell if your pet is overweight
Use the simple body condition check: run your hands over the ribs — you should feel them easily under a thin layer, like the back of your hand. From above there should be a visible waist behind the ribs. From the side the belly should tuck up, not hang down. Hidden ribs and no waist = overweight.
Why it matters
Excess weight raises the risk of joint problems and arthritis, diabetes (especially in cats), heart strain and a shorter lifespan. Even 1-2 kg extra on a small pet is a lot proportionally. Slimming down often adds healthy, active years.
How to help them lose weight
Three levers work together:
- Measure portions — weigh the food, don't eyeball it, and feed to the target weight, not the current one.
- Switch to a weight-management food — fewer calories, more fiber and protein so they stay full and keep muscle.
- Cut treats under 10% of daily calories, and add gentle activity — walks for dogs, play for cats.
A safe pace of weight loss
Slow and steady is safest: aim for about 1-2% of body weight per week. Crash diets are dangerous — cats especially can develop serious liver problems if they lose weight too fast. Re-weigh every 2-3 weeks and adjust.
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How fast should my pet lose weight?
About 1-2% of body weight per week. Faster is unsafe — especially for cats, who risk liver problems with rapid loss.
How many treats are okay?
Keep treats under 10% of daily calories and subtract them from meals. Use small, low-calorie treats or pieces of their own kibble.
What exercise helps?
For dogs, two brisk daily walks; for cats, short play sessions with a wand or laser several times a day. Build up gradually.