The nationwide rollout of the USDA's animal identification system is slow to gain acceptance, even though the RFID technology it is based on is being used to track millions of manufacturing parts and billions of dollars in retail inventory. It was supposed to help stem an outbreak of mad-cow disease. Instead, the Bush administration's proposal to electronically brand tens of millions of farm animals with RFID tags is producing some very angry farmers and ranchers.
Source: Baseline, http://www.baselinemag.com