Difference between revisions of "Bovine Immunodeficiency Virus"

Revision as of 20:41, 15 November 2010

Description

Bovine Imunodeficiency Virus (BIV) is a Lentivirus (non-oncogenic) which causes a persistent viral infection in cattle worldwide. It was first isolated in 1969 from a cow with a wasting syndrome.

Pathogenesis

The mechanism of transfer is not well known,but the following possibilites are being researched :

Transplacental
Transmammary
Vertical transfer through infected Semen (e.g. Artificial insemination)

Clinical Signs

Bovine immunodeficiency Virus is not associated with a specific disease in cattle but has been associated with the folowing signs:

Decreased milk yield
Clinical immunodeficiency
Encephalitis
Bovine paraplegic syndrome
Skin infections
Emaciation

Diagnosis

Western Blot
PCR

Treatment and Control

The Incidence of Bovine immunodeficiency virus appears to be low (1%) although can reach >15 % in some herds

References

Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
Quinn, P.J., Markey, B.K., Carter, M.E., Donnelly, W.J., Leonard, F.C. (2007) Veterinary Microbiology and Microbial Disease Blackwell Publishing
Marie-Claude St-Louis, Mihaela Cojocariu and Denis Archambault (2004). The molecular biology of bovine immunodeficiency virus: a comparison with other lentiviruses. Animal Health Research Reviews 5, pp 125-143

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 *Marie-Claude St-Louis, Mihaela Cojocariu and Denis Archambault (2004). The molecular biology of bovine immunodeficiency virus: a comparison with other lentiviruses. '''Animal Health Research Reviews''' 5, pp 125-143
-[[Category:Secondary Immunodeficiency]][[Category:Cattle]][[Category:To Do - Blood]][[Category:To_Do_Katie]]
+[[Category:Secondary Immunodeficiency]][[Category:Cattle]][[Category:To Do - Blood]][[Category:To_Do_-_KatieB]]