date:May 20, 2013
nto effect March 11 require dairy cows and sexually intact beef cattle more than 18 months of age to be registered when they are shipped over state lines and outline acceptable forms of identification. In most cases, farmers and ranchers are likely to use ear tags that assign a number to each animal.
In Wisconsin, many of the larger dairy farms have already switched to ear tags that can be scanned electronically, said Mark Diederichs, president of the Board of Directors of the Professional Dair