Preferred Scientific Name
- Brucella melitensis
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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.Last updated: 10 Jan 2020
|Continent/Country/Region||Distribution||Last Reported||Origin||First Reported||Invasive||Reference||Notes|
The organism responsible for brucellosis is a small Gram-negative coccobacillus, which is non-motile, non-encapsulated and non-spore-forming. In infected tissue it normally occurs singly or in small groups. Several commercial firms produce media suitable for isolation and propagation of Brucella. The colonies are circular and 2-4 mm in diameter. It does not require supplementary carbon dioxide to grow and it takes 3-5 days incubation at 37° C for visible colonies to appear. B. melitensis does not produce H2S, grows in the presence of basic fuchsin and thionin at standard concentrations and is catalase and oxidase positive. It is lyzed only by brucella-phage Berkeley. Currently there are three recognized B. melitensis biovars (Corbel et al., 1978).
|Animal name||Context||Life stage||System|
|Bos indicus (zebu)||Domesticated host|
|Bos taurus (cattle)||Domesticated host|
|Bubalus bubalis (Asian water buffalo)|
|Camelus dromedarius (dromedary camel)||Domesticated host|
|Capra hircus (goats)||Domesticated host|
|Cavia porcellus (domesticated guinea pig)|
|Homo sapiens||Domesticated host|
|Lama glama (llamas)||Domesticated host|
|Lama pacos (alpacas)||Domesticated host|
|Mus musculus (house mouse)|
|Ovis aries (sheep)||Domesticated host|
Corbel MJ; Gill KPW; Thomas EL, 1978. Methods for the identification of Brucella. Tolcarne Drive, Pinner, Middlesex HA5 2DT, UK: Ministry of Agriculture, Fisheries and Food (Publications).
CABI Data Mining, 2001. CAB Abstracts Data Mining.,
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