RFID Ear Tags Accurate ...

RFID Ear Tags Accurate: Via BillingsGazette: Researchers find ear tags accurate ...

... "The researchers divided the calves into four groups, then tagged three groups at the owner's ranch and one at the Montana Livestock Company in Ramsey. Each tag contained a unique 15-digit number that is often called an RFID tag or electronic tag. It stays with the animal until it is slaughtered. " ...