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Bovine Viral Diarrhoea Virus (view source)

Revision as of 18:25, 23 August 2010

450 bytes removed , 18:25, 23 August 2010

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==Pathogenesis==

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~~==Diagnosis==~~

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~~===Clinical Signs===~~

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~~===Laboratory Tests===~~

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~~===Pathology===~~

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~~==Treatment and Control==~~

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~~==Links==~~

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~~==References==~~

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~~====Antigenicity====~~

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*RNA virus closely related to [[Classical Swine Fever]] and [[Border Disease Virus]]

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*2 Serological Types

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**BVDV-1 is traditional, existing as two biotypes

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***BVDV-1nc: noncytopathogenic

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***BVDV-1c: cytopathogenic

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**BVDV-2 is an emerging hemorrhagic virus

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~~====Hosts====~~

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*Cattle

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~~====Pathogenesis====~~

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~~[[Image:BVD-MD.gif|right|thumb|125px|<center>Small erosions of MDV/BVDV - vesicles are microscopic (Courtesy of Alun Williams (RVC))</center>]]~~

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~~[[Image:Bvd2.gif|right|thumb|125px|<center>Coalescing lesions of BVDV (Courtesy of Alun Williams (RVC))</center>]]~~

'''BVDV-1c'''

*Infects cattle regardless of age

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*Animals can show anorexia, depression and/or diarrhoea for 2-5 days before death

*Vaccination can lead to '''iatrogenic''' infection in undiagnosed PI calves

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==Diagnosis==

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===Clinical Signs===

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===Laboratory Tests===

+

===Pathology===

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[[Image:BVD-MD.gif|right|thumb|125px|<center>Small erosions of MDV/BVDV - vesicles are microscopic (Courtesy of Alun Williams (RVC))</center>]]

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[[Image:Bvd2.gif|right|thumb|125px|<center>Coalescing lesions of BVDV (Courtesy of Alun Williams (RVC))</center>]]

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==Treatment and Control==

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==Links==

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==References==

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====Pathology====

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Calves may also be born alive and may be weak, uncoordinated due to cerebellar hypoplasia (cerebellar hypoplasia also seen with feline panleukopenia infection).

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~~==Test yourself with the Oral Cavity Pathology Flashcards==~~

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~~[[Oral_Cavity_Flashcards_-_Pathology|Oral Cavity Pathology Flashcards]]~~

[[Category:Pestiviruses]][[Category:Cattle]]

[[Category:Oral_Cavity_-_Erosive_&_Ulcerative_Pathology]]

[[Category:Enteritis,_Ulcerative]][[Category:Enteritis,_Viral]][[Category:To_Do_-_Lizzie]]

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