Section R58-3-3 - Utah Cattle and Bison Vaccination Requirements(1) Any Utah cattle and bison heifers intended for replacement breeding animals shall be vaccinated against Brucella abortus.(2) Vaccination of cattle and bison heifer calves shall be administered by an accredited veterinarian or by a Utah Department of Agriculture and Food contracted Brucellosis technician.(3) Any cattle and bison heifers shall be vaccinated with strain RB-51 administered between 4 and 12 months of age. These heifers shall be properly identified by official tattoos and ear tag, either an official USDA vaccination tag or an official USDA RFID tag, and shall be reported on an official vaccination certificate, VS Form 4-24, within 30 days to the State Veterinarian.(4) Cattle and bison heifers not intended for replacement breeding are exempt from the vaccination requirement in Subsection R58-3-3(1).Amended by Utah State Bulletin Number 2023-08, effective 4/7/2023