an animal identification and security system and method assigns an identifying code uniquely associated with each system member and each animal owned by the member . an identification code imprinted on a marker attached to the animal includes information uniquely identifying the animal &# 39 ; s owner including a two letter abbreviation of the state of residence , a numerical identifier of the county of residence , and an assigned number designating the owner &# 39 ; s ranch / farm within the indicated county . the identification code further includes a letter designation of the type of animal and the individual animal &# 39 ; s number within the owner &# 39 ; s herd / flock , as well as a two letter designation of the animal &# 39 ; s country of origin . the identifying codes are maintained in a computerized system at a central location for dissemination on a global information network for facilitating the return of lost or stolen animals to the rightful owner and to indicate the origin of all registered animals .