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| − | *Bovine brucellosis:
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| − | **Caused by ''Brucella abortus''
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| − | **Eradicated in many countries including UK
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| − | **Infection usually by ingestions but also venereal, skin abrasions, inhalation, transplacental
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| − | **Abortion storms in susceptible herds
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| − | **Abortion after fifth month of gestation due to placentitis
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| − | **Brucellae excreted in foetal fluids for 2-4 weeks following abortion and at subsequent parturitions without abortion
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| − | **Infection of mammary glands and lymph nodes persists for years
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| − | **Excreted intermittently in milk for years
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| − | **Seminal vesicles, ampullae, testicles and epididymus infected in bulls; necrotising orchitis
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| − | **Decreased fertility in cows and bulls; decreased milk production
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| − | **Localisation in [[Spleen - Anatomy & Physiology|spleen]] and lymphatic tissue of non-pregnant animals
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| − | **Occasionally causes [[Joints Inflammatory - Pathology#In Cattle|arthritis]]
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| − | *Isolated from closed cases of [[Bursae and Tendons Inflammatory - Pathology#Poll Evil and Fistulous Withers|poll evil and fistulous withers]] in horses
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| | + | [[File:Brucelliosis.jpg|right|thumb|250px|<small><center> Swollen caribou “knee” joint due to brucellosis. (Wildlife Alaska |
| | + | 2008, Wikimedia commons)</center></small>]] |
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| − | **'''''[[Brucella abortus]]'''''
| + | ''Brucella abortus'' is a species of the ''Brucella'' bacteria genus and causes [[Bovine brucellosis]]. |
| − | ***Uncommonly localises in joints
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| − | ***Usually in '''carpal bursitis (hygroma) in cattle and bursitis in horses'''
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| | + | ''B.abortus'' uncommonly localises in joints, usually in '''carpal bursitis (hygroma) in cattle and bursitis in horses'''. |
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| − | Affects cattle, transmission is by ingestion and abortion occurs in last half of pregnancy. Placenta is covered by fibrinonecrotic tissue. Foetus often shows bronchopneumonia.
| + | It affects cattle, transmission is by ingestion and abortion occurs in the last half of pregnancy. The placenta is covered by fibrinonecrotic tissue and the foetus often shows bronchopneumonia. |
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| | [[Category:Brucella species]] | | [[Category:Brucella species]] |
| | [[Category:Cattle]] | | [[Category:Cattle]] |
| | [[Category:To_Do_-_Bacteria]] | | [[Category:To_Do_-_Bacteria]] |