Psittacine Beak and Feather Disease Virus (PBFDV) is a viral infection that primarily affects parrots and other psittacine birds. It is caused by a virus that leads to feather loss, beak deformities, and immune system suppression. The disease is highly contagious and can be transmitted through direct contact or contaminated environments. Infected birds may show symptoms such as abnormal feather growth, loss of feathers, and changes in beak structure. There is no cure for PBFDV, and management focuses on supportive care and preventing the spread of the virus among bird populations. Vaccination is not currently available.