TY JOUR TI CAUSES OF LONG-TERM ILL-BEING OF THE HERDS OF NORTHERN REINDEER FOR BRUCELLOSIS IN THE REPUBLIC OF SAKHA (YAKUTIA) KW brucellosis KW infectious process KW immunity KW strain KW epizootic process KW vaccine JO Agrarian Bulletin of the AU , .. AU Vinokurov, N.V. AU Fedorov, V.I. AU , .. AU , .. PY 2018 IS 174 PB Ural State Agrarian University