Case of the month

BERNIE VAATSTRA This month we present two cases caused by the same aetiological agent. Case 1: Seven first-calving Friesian heifers from a Waikato dairy herd developed fever and respiratory distress and three died after returning from grazing and presumably being exposed to BHV-1 circulating in the home herd. Necropsy findings included severe necrotising tracheitis (Figure […]