Disclosed herein is a system (130) for locating a plurality of animals (12) distributed between a plurality of enclosures (85,56, 82,84). The plurality of animals (12) have attached thereto a plurality of RFID tags (14) for identifying each of the plurality of animals (12). The system comprises a plurality of RFID tag detection zones (17-21) distributed between the plurality of enclosures. Each of the plurality of RFID tag detection zones (17-21) have an RFID antenna (26,28,30) for receiving a radio signal (50) comprising animal identity information generated by any one of the plurality of RFID tags (14) attached to the plurality of animals (12) when interrogated. The RFID antenna (26, 28, 30) of each RFID tag detection zone are in signal communication with at least one RFID reader (49) for receiving the radio signal (32) comprising animal identity information.
