Infectious Bovine Rhinotracheitis | Zoetis US
IBR, rednose IBR is an acute, contagious respiratory disease of tle caused by bovine herpesvirus type 1 (BHV1), commonly affecting the respiratory tract and the reproductive system. It is highly contagious, resulting in rapid spread of respiratory disease among tle in close confinement, particularly in feedlots and when groups of tle are transported.