A severe form of infectious bovine rhinotracheitis was confirmed in recently purchased fattening cattle in the north east of Scotland during the winter-housing period of 1977-78. During the remainder of 1978 and the subsequent winter-housing period, many similar incidents were investigated. The first signs of illness noticed by the farmer were slight dullness, reduced appetite, serous ocular and nasal discharge, an increased rate and depth of respiration and the drooling of saliva. Pyrexia (103 - 107.
