Difference between revisions of "Bovine Immunodeficiency Virus"
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==Description== | ==Description== | ||
Revision as of 22:48, 15 November 2010
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This article is still under construction. |
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