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Bovine Viral Diarrhoea Virus (view source)
Revision as of 18:52, 23 August 2010
, 18:52, 23 August 2010→=Transmission and Epidemiology
Figure 2 summarises the classification of BVDV down to the biotype level. For each biotype, there are many virus strains all with varying virulence and distribution.
Figure 2 summarises the classification of BVDV down to the biotype level. For each biotype, there are many virus strains all with varying virulence and distribution.
==Transmission and Epidemiology=
==Transmission and Epidemiology==
According to antibody-detection based studies, 70 to100% of herds are currently or have recently been infected with BVDV, reflecting the endemic nature of the virus (reviewed by Houe, 1999).
According to antibody-detection based studies, 70 to100% of herds are currently or have recently been infected with BVDV, reflecting the endemic nature of the virus (reviewed by Houe, 1999).