How to cure stress bars in parrot

Someone asked about stress bars in parrots.
I just made an informative (sort of) video about stress bars in parrots and how to take care of them.

Here is the link what to feed your parrots ;
https://youtu.be/Gl4hIYht88M

If your parrots are baby then get some baby formula from bird store and feed them via syringe