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How do dog chips work?

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Often, manufacturers of microchips donate scanners to animal shelters. When set to the correct frequency, the scanner "interrogates" the microchip by invigorating the capacitor with electromagnetic power. When energized, the microchip capsule sends radio signals back to the scanner with the identification number. read more

A microchip capsule is roughly the size of a grain of rice and incorporates several components to help it do its job. First, the glass material that encapsulates the device is biocompatible. That means it's not toxic and doesn't hurt the animal's body, so your pet won't experience an allergic reaction to the device after implantation. read more

Collars can also come off; if your dog is deliberately stolen, the thief can remove a tag in order to sell your pet. A microchip, on the other hand, cannot become lost or unreadable, and provides undeniable proof of ownership if your dog is resold. read more

For an effective microchip system, all three parts have to work: The microchip needs to be in the right location and functioning, the scanner must be able to detect the chip, and the database that links the chip number to the owner needs to be accurate. read more

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