Female cattle of the beef breeds, which are over 12 months of age, and sold within the state, shall bear evidence of official calfhood brucellosis vaccination by the presence of an official tattoo visible in the right ear, or by any other evidence of vaccination or identification as the department may, by regulation, specify. Official calfhood brucellosis vaccination shall not be required for change of ownership in the following cases:
(a)
Spayed heifers identified as the department may specify.
(b)
Female cattle of the beef breeds moving directly to a slaughter establishment.
(c)
Unvaccinated female cattle of the beef breeds sold to slaughter through approved saleyards.
(d)
Unvaccinated female cattle of the beef breeds moving to approved feedlots for a period of time before going to slaughter. These animals shall be moved directly to a slaughter establishment from the approved feedlot.