Tlhaloso e qaqileng
Brucella ke gram-negative short bacillus, likhomo, linku, likolobe le liphoofolo tse ling ke tsona tse kotsing ea tšoaetso, e bakang ho ntša mpa ho tšoaetsanoang ha bo-mme.Ho kopana ha batho le liphoofolo tse jarang liphoofolo kapa ho ja liphoofolo tse kulang le lihlahisoa tsa tsona tsa lebese ho ka tšoaetsoa.Ho ile ha e-ba le seoa likarolong tse ling tsa naha, seo hona joale se seng se laoloa hantle.Brucella hape ke e mong oa lethathamo la bo-imperiyali joalo ka moemeli ea holofatsang oa ntoa ea baeloji.Brucella e arotsoe ka mefuta e 6 le mefuta e 20 ea linku, likhomo, likolobe, litoeba, linku le canine Brucella.Ntho e ka sehloohong e tummeng Chaena ke linku (Br. Melitensis), likhomo (Br. Bovis), kolobe (Br. suis) mefuta e meraro ea brucella, eo linku tsa brucellosis li atileng haholo.