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Bovine Immunodeficiency Virus (view source)
Revision as of 14:24, 15 November 2010
, 14:24, 15 November 2010no edit summary
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==Description==
==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.
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==
==Pathogenesis==
The mechanism of transfer is not well knonw,but the following posibilites are being researched :
The mechanism of transfer is not well known,but the following possibilites are being researched :
* Transplacental
* Transplacental
* Transmammary
* Transmammary
* Vertical transfer through infected Semenn (e.g. Artificial inseminatio)
* Vertical transfer through infected Semenn (e.g. Artificial insemination)
==Clinical Signs==
==Clinical Signs==
Bovine immunodeficiency Virus is not associated with a specific disease in cattle but has been associated with the folowing signs:
Bovine immunodeficiency Virus is not associated with a specific disease in cattle but has been associated with the folowing signs: