NAVLE® Question of the day

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September 6, 2023
NAVLE

An obese eight-year-old Labrador Retriever is presented for annual vaccinations.

The owners claim that they have restricted his diet and try to exercise him but he still keeps the weight on.

There is alopecia on the dorsum of his tail and he has an unusual worried facial expression.

Which one of the following choices is the most likely diagnosis?