Infectious Bovine Rhinotracheitis Virus, also known as Bovine Herpesvirus-1 (BHV-1), is a highly contagious, infectious respiratory disease-causing virus. It can affect young and older cattle. IBR is characterized by acute inflammation of the upper respiratory tract. After the first infection, the virus is never fully removed.
Animals carrying latent Infectious bovine rhinotracheitis infections can shed the virus at any time throughout their lives, particularly at times of stress, such as another disease, calving, or transport. The secretions of affected calves are extremely infectious and appear to be highly attractive to other animals. As a result, the disease spreads rapidly in close quarters such as feedlots and in transportation.
is an upper respiratory infection most commonly characterized by an inflaming of the muzzle and a thick nasal discharge. Other common symptoms include:
- Loss of appetite
- Hyperaemia of the mucosae
- Mucosal lesions
- Nasal discharge
- Drop in milk production