What is BCS?
BCS (Body Condition Score) is the veterinary standard for body shape, grading pets 1-9: 1-3 underweight, 4-5 ideal, 6-7 overweight, 8-9 obese. It relies on three touch/sight checks: rib palpability, overhead waist, and the side-view belly tuck. Empirically, each point above ideal ≈ 10-15% excess weight.
Fluffy breeds (Goldens, Samoyeds, Ragdolls) easily fool the eye — the coat hides the waistline, so feeling beats looking.
Why condition matters more than weight
Studies show Labradors kept at ideal condition their whole lives live ≈2 years longer than obese ones, with arthritis and diabetes significantly delayed. Obesity is the “silent epidemic” — over half of pet cats and dogs are overweight while owners don't notice, because “everyone's pet looks like this”.
FAQ
My pet scored overweight — what now?
① Rule out disease first (hypothyroidism/Cushing's sabotage weight loss); ② calculate weight-loss rations with the calorie calculator; ③ halve treats and add exercise; ④ weigh every 2 weeks aiming for 1-2% loss per week. Cats must go slower (≤1%/week) to avoid fatty liver.
Does this work for young animals?
Yes — ideal is still 4-5 for juveniles. Juvenile obesity multiplies fat cells permanently and is a major starting point of adult obesity, so “chubby puppy is cute” carries a real cost.