Bad breathing and feathers are stuffed to get heat and it is not active
Respiratory problems in pet birds could be very serious; you should take your bird urgently to veterinary specialist in exotic animals.
It is very common for pet birds to have infections of their respiratory tract. If not treated quickly, fungal infections could spread to other organs. After a thorough checkup, your veterinarian will be able to make a diagnosis and give your bird a corresponding treatment.
All the best.