If cattle are suspected as having been infected with BVD virus, a VNT can be used on paired convalescent sera. This is a more expensive test than other BVD testing options and not used as frequently now the BVD antibody ELISA is a quantitative test.
See also Bovine Viral Diarrhoea (BVD) Testing Guidelines.
Species:
Bovine
Specimen:
Serum (10 ml)
Container:
Plain or gel tube
Collection protocol:
Standard venepuncture