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Dogs have numbers in there ears because its a tattoo mostly on pure breeds or show dogs. its in case they get lost they can trace the number on the ear and find their own. It can also be found on their inner back leg. Most people use mirco chipping now instead of tattooing the dogs

Answer

Tattoo are usually a way to trace the dog, but it is not a good idea. If a dog is stolen and has a tattoo, they will often cut the dog's ear off. Microchips are much safer.

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15y ago

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