Any of various aerobic , short , rod-shaped bacteria of the genus brucella that are pathogenic to human beings and domestic animals .
布鲁氏菌布鲁氏菌属的好氧性细菌,短棍状,是人类的和家畜的病源。
There are several distinct pathogens : brucella abortus , b. canis , b. melitensis , b. suis , whose identifications correlate with their reservoirs , respectively , cattle , dogs , goats and sheep , and pigs .