Official Identification Of Swine

01. Swine Tested at Farm. All swine bled on the farm as part of a complete herd test for swin e brucellosis shall be individually identified by official VS-approved eartags, visible tattoos, or ear notches, provide d the ear notch has been recorded in the book of record of a purebred registry association. (3-31-22) 02. Swine Tested at Market or Slaughter. Sows and boars six (6) months of age and older shall b e identified by an official VS-approved paper or plastic backtag applied to the head or poll region and/or an official VS- approved eartag when tested for swine brucellosis at markets or slaughter establishments. (3-31-22) 03. Reactor Swine. Swine reacting to the swine brucellosis test shall be identified by placing a n official VS-approved reactor tag in the left ear. (3-31-22) 401. -- 419. (RESERVED)