<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> A microchip implant is an identifying integrated circuit placed under the skin of an animal . The chip, about the size of a large grain of rice, uses passive RFID (Radio Frequency Identification) technology, and is also known as a PIT (Passive Integrated Transponder) tag . </P> <P> Externally attached microchips such as RFID ear tags are commonly used to identify farm and ranch animals, with the exception of horses . Some external microchips can be read with the same scanner used with implanted chips . </P>

What is the chip they put in dogs