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- Pritchard, G.C.; Banks, M.; Vernon, R.E.
- Veterinary record 2003 v.153 no.4 pp. 113-117
- infectious bovine rhinotracheitis, etc ; dairy herds; Bovine alphaherpesvirus 1; biosecurity; DNA; bulk milk; health status; enzyme-linked immunosorbent assay; viruses; cows; Show all 10 Subjects
- ... Infectious bovine rhinotracheitis (IBR) virus infection was detected by an antibody ELISA in the bulk milk of a large closed dairy herd of high health status in an area of low cattle density in East Anglia. The herd was managed under high standards of biosecurity and was known to have been serologically free of IBR virus for the previous 13 years. Although over 70 per cent of the cows had seroconv ...