The The U.S. Department of Agriculture (USDA)’s Animal and Plant Health Inspection Service (APHIS) is proposing to amend animal disease traceability regulations that require electronic identification ...

South Dakota's projected cattle identification system will use RFID to track the birth, history, and movement of all tagged animals.

Electronic identification tags, a white circle placed in an animal's ear, will soon be required for certain types of cattle and bison that move across state lines.

By contrast, many tech-savvy pet owners have opted to have their dog or cat “chipped” by having a radio frequency identification (RFID) permanently implanted under the skin.

An animal might be born in Luxembourg, raised in northern Italy, and processed in France. Yet, every stage is documented and accessible through its identification number.