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==Pathogenesis==
 
==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|<small><center>Small erosions of MDV/BVDV - vesicles are microscopic (Courtesy of Alun Williams (RVC))</center></small>]]
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[[Image:Bvd2.gif|right|thumb|125px|<small><center>Coalescing lesions of BVDV (Courtesy of Alun Williams (RVC))</center></small>]]
   
'''BVDV-1c'''
 
'''BVDV-1c'''
 
*Infects cattle regardless of age
 
*Infects cattle regardless of age
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*Animals can show anorexia, depression and/or diarrhoea for 2-5 days before death
 
*Animals can show anorexia, depression and/or diarrhoea for 2-5 days before death
 
*Vaccination can lead to '''iatrogenic''' infection in undiagnosed PI calves
 
*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===
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===Pathology===
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[[Image:BVD-MD.gif|right|thumb|125px|<small><center>Small erosions of MDV/BVDV - vesicles are microscopic (Courtesy of Alun Williams (RVC))</center></small>]]
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[[Image:Bvd2.gif|right|thumb|125px|<small><center>Coalescing lesions of BVDV (Courtesy of Alun Williams (RVC))</center></small>]]
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==Treatment and Control==
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==Links==
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==References==
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====Pathology====
 
====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).
 
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:Pestiviruses]][[Category:Cattle]]
 
[[Category:Oral_Cavity_-_Erosive_&_Ulcerative_Pathology]]
 
[[Category:Oral_Cavity_-_Erosive_&_Ulcerative_Pathology]]
 
[[Category:Enteritis,_Ulcerative]][[Category:Enteritis,_Viral]][[Category:To_Do_-_Lizzie]]
 
[[Category:Enteritis,_Ulcerative]][[Category:Enteritis,_Viral]][[Category:To_Do_-_Lizzie]]
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