The forecast of cattle brucellosis infection in Saratov and Orenburg regions of the Russian Federation and Aktobe and West Kazakhstan regions of the Republic of Kazakhstan up to 2030 has been carried out. An inactivated Brucella abortus vaccine from strain 82 with adjuvant biogenic hydroxyapatite protecting guinea pigs from brucellosis by 60% has been developed .After vaccination in cattleantibodies in agglutination reaction are produced with a titer...