Microchip for Dogs and Cats - Advantages vs. Disadvantages

Microchip for Dogs and Cats - Advantages vs. Disadvantages

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The collar as an identification method is not foolproof. A dog or cat that gets lost from home can end up losing its leash on the way, for several reasons. As the collar with the identification tag can fail, we tried to solve this problem with tattoos. However, besides being painful, if the dog or the cat is in a situation like this, far from home, and a stranger approaches, it is unlikely to let this stranger touch you, in search of the tattoo. Then came the microchip for dogs and cats.

THE microchip for dogs and cats is a popular and modern way to identify the pet in an effective and safe way. The microchip is an electronic micro-circuit, approximately the size of a grain of rice, making it possible to implant it under the skin. The microchip for animals contains a unique and unalterable code that transmits specific information.

The use of microchip for dogs and cats it is already mandatory in many places. When the microchip for cats and dogs is used:

  • It is mandatory to implant the microchip in the dog or cat if the animal is traveling to any of the countries in Europe and Japan;
  • Breeders of dogs and cats use the microchip as required by Associations, to ensure the origin of the breed and prevent counterfeit pedigree;
  • By owners so that identification is possible in case the pet gets lost.

Read More: The importance of the dog nameplate

Points to be observed when choosing to implant the microchip in the animal

In principle, there is no restriction on the dog or cat that will receive the microchip for animals, can be of any race, size and weight. The indication would be that the microchip be implanted after at least two months of age of the animal, but it can already be injected from the 10th day of the animal's life. What is common to occur is the implantation of the microchip in the third month of life of the dog or cat, when the third dose of the multiple vaccine is given.

The average cost for the procedure is around R $ 90 to R $ 100. Dogs and cats should not show reactions after the procedure, but it can happen that the animal's body rejects the microchip, however, this is due to a totally individualized reaction. The microchip in dogs and cats should be placed on the neck of the animal, to facilitate reading.

The implantation is performed with a special syringe, similar to the one used to deliver vaccines. No type of anesthesia is performed to inject the microchip, it is as if it were a common injection.

THE microchip for dogs and cats it does not have any type of battery and remains inert all the time until it is activated. It only emits energy when it is read by the reader, for which it will show the data it contains. As the microchip is inside a surgical bioglass capsule (same material used in pacemakers), the durability of this device will be the time that the capsule takes to decompose, which is approximately 100 years.

Code reading and tracking

There is a reader to read the microchip. It contains a scanner, which scans the signal emitted by the chip using a low radio frequency, after reading the code, it is shown on the reader display.

The owner fills out a registration form, provided by the company supplying the microchip for dogs and cats, where the information is in a database system. The reader captures the number, this number is verified by the company and the database is searched, thus finding information about who owns it, its address and contact details.


  • The microchip does not need any type of recharge, it will only be activated by the reader;
  • It is impossible for the dog or cat to lose the microchip;
  • It does not stop working for the life of the little animal;
  • It is not necessary to carry out any type of maintenance.


  • There is no unified database in Brazil;
  • Although the reader follows an international standard, in order for her to read all microchips, the owner will need to register with the two major databases in our country, to ensure that the reader is able to retrieve the data;
  • Not all veterinary clinics have a microchip reader;
  • The microchip does not locate the dog or cat, like a GPS system, it only serves as an identification if someone finds the animal and has a means of using the reader on the animal.
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Video: the advantages of the microchip for your pets


  1. Grot

    What a lovely idea

  2. Neville

    Rather useful topic

  3. Durg

    Granted, this is a wonderful thing

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