From: Aspects of bovine herpesvirus 1 and bovine viral diarrhoea virus herd-level seroprevalence and vaccination in dairy and beef herds in Northern Ireland
Herd type
Herd level serological classification %
BoHV-1 negative
BoHV-1 positive
BVDV negative
BVDV positive
Beef
25.3
74.7
1.7
98.3
Dairy
13.5
86.5
1.5
98.5