A dog wearing a blue vest, bandana, or leash may be a service dog, therapy dog, or a dog in training, but blue has no universal official meaning.
Service dogs assist people with disabilities, while therapy dogs visit places such as hospitals, schools, and care facilities to provide comfort and companionship.Blue accessories can also indicate that a dog is being trained, but they may simply be a personal choice by an owner who likes the color.
Whatever the reason, avoid petting, feeding, calling, or approaching an unfamiliar dog—especially one that appears to be working—without permission…
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