The U.S. Department of Agriculture (USDA) is requiring electronic eartags for shipment of dairy cattle, some beef cattle and bison.“Rapid traceability in a disease outbreak will not only limit how long farms are quarantined, keep more animals from getting sick and help ranchers and farmers get back to selling their products more quickly—but will help keep our markets open,” Michael Watson, administrator of USDA’s Animal and Plant Health Inspection Service (APHIS), said in a news release.The latest announcement strengthens a rule finalized in 2013 for the official identification and documentation for certain interstate movements of livestock.The final rule requires eartags ...