Microchips very small transponders which are about the size of a grain of rice. A micro sized coil along with a memory circuit is enclosed within a biocompatible glass which is small enough to fit into a hypodermic syringe. A unique number is registered to your pet that is contained in the chips memory circuit and it can be read by special scanners.
Microchip Pros and Cons
Pros: The chip cannot be moved, once implanted, and can last up to 75 years.
The veterinarian or technician implants the device in less than a minute.
Pet does not have to be put under anesthesia to place micro chip.
Pets are not bothered by micro chip once placed.
Does not disfigure like a tattoo and they are tamper-proof.
Cons: More expensive than tags or tattoos.
If pet is found, many people would not know to take the pet to a shelter or veterinary hospital to scan.
Most chips are standardized; however there are still several brands that have to be registered.
Micro Chip and Collar Combo
Due to the fact that people who do find lost pets may still be clueless regarding micro chipping, a combination of both the micro chip and collar with identification tags would increase the chance of your pet being returned. Your local veterinary assistant can help you scan a lost pet that you may have found for a microchip.