The Labrador Who Got Fat and the Diet That Saved His Life

At Murphy's six-year checkup, our vet pulled up a body condition scoring chart, pointed to a diagram of a dog that looked like a barrel wearing a head, and said: "Murphy is here."

Murphy was at a 8 out of 9 on the obesity scale. He weighed 108 pounds. A healthy male Labrador Retriever his height should weigh approximately 75.

"He should not be able to use stairs comfortably," Dr. Park said. Murphy had been laboring up stairs for a year, which we had attributed to aging. It was weight.

Labs have what researchers now call a "food drive mutation" — a variant in a gene called POMC that affects the satiety signal. Many Labs don't feel full the way other dogs do. They experience hunger as a baseline state.

Murphy had this. We also had generous hands with treats, a rotating cast of family members who interpreted begging as starvation, and a kibble brand that was calorie-dense without the protein satiation to match.

None of this was visible day-to-day. Obesity in dogs accumulates the same way it does in people: incrementally, until a chart at a vet visit reveals what daily life had obscured.

Dr. Park referred us to a veterinary nutritionist — something I didn't know existed and would recommend to any owner managing canine weight. She designed a specific plan: a reduced-calorie prescription diet, strict portioning (using a kitchen scale, not a scoop), all treats counted against daily calories, and a graduated exercise increase starting at 15 minutes twice daily.

We instituted a house rule: one person feeds Murphy, one portion, weighed each day. No exceptions for visiting grandparents.

This was harder to enforce than the diet itself.

Murphy weighs 79 pounds. His body condition score is 4.5. He runs up stairs. He has rediscovered a lower-body enthusiasm for fetch that we thought he'd lost permanently.

The hardest part wasn't the diet. It was the way Murphy looked at us during the calorie reduction period — with an expression of profound, communicative disappointment that I still feel slightly guilty about.

He's fine. He doesn't hold grudges. Labs don't.

---

*Labrador Retrievers have a genetic predisposition to obesity. Learn more about managing Lab weight in our Labrador care guide.*