juliani

im a new owner of a one yr.old africangrey.i dont any experience about bird.juliani my bird name his used to slept in our room.one of our friend told us that to inhale the coating of the bird is like asbestos and one of their friend who owned a bird die coz of that.so i decide to put my bird to slept in our leaving room he have a cage and a gym on the top but hes not use to be in the cage.prior to that i took him to the pet shop to trim his feathers and cut his nails.so i dont know why suddenly my bird is not a happy bird. no appetite,dont whistle,dont want to do the training.he knows how to the eagle ,wave,he sing love me tender hes a happy bird. i dont know what i did.i hope you guys can help me some information about bird.im thinking visit a avian vet. thanks, marian