infectious disease in cattle, water buffalo, and bison, usually caused by Brucella abortus, less frequently by B. melitensis, and occasionally by B. suis, characterised by one or more of the following signs: abortion, retained placenta, orchitis, epididymitis and, rarely, arthritis, with excretion of the organisms in uterine discharges and in milk

infectious disease [ IATE:2228981 ] caused by bacteria of the genus Brucella that primarily affects livestock, but can also be transmitted to humans through direct contact with secretions and excretions of infected animals and by ingesting undercooked meat, raw milk, or milk products containing viable organisms