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依据宿主偏好性的不同,布鲁氏菌分为6个经典种。根据生物学特性又将其分为19个亚型。包括:B.melitensis(羊种,主要感染绵羊和山羊种,包
According to the preference of the host, Brucella is divided into six classic species. According to the biological characteristics it is divided into 19 subtypes. Includes: B. melitensis (sheep breeds, mainly infected sheep and goats, packs