| infection with ovine herpesvirus 2 in norwegian herds with a history of previous outbreaks of malignant catarrhal fever. | infection with ovine herpesvirus 2 (ovhv-2) in healthy cattle, swine, sheep, and goats was investigated on 43 selected norwegian farms; of which, 41 (95%) had experienced outbreaks of malignant catarrhal fever (mcf) in cattle and/or swine during the preceding 5 years. two of the farms had no history of mcf and were included for control purposes. blood samples from 384 cattle, 40 sows, 75 sheep, and 4 goats were examined for ovhv-2 by polymerase chain reaction assay (pcr) and for antibodies using ... | 2009 | 19286510 |