definition of IBR disease
Infectious Bovine Rhinotracheitis (IBR) in cattle. Infectious bovine rhinotracheitis (IBR) is a respiratory disease of cattle caused by bovine herpesvirus 1 (BoHV-1).Disease outbreaks can result in severe production losses, abortion and mortality. IBR is characterized by acute inflammation of the upper respiratory tract.BoHV-1 infection can also cause reproductive symptoms in cattle. See Clinical Signs.isease outbreaks can result in severe production losses, abortion and mortality. IBR is characterized by acute inflammation of the upper respiratory tract. BoHV-1 infection can also cause reproductive symptoms in cattle. See Clinical Signs.