pigeon feed / supplement

Hello! I found 2 young pigeons in front of my door earlier this day. I took them in and made them a little nest of blankets in a cardboard box. I bought some sunflower seeds and tried feeding them a paste as well as whole seeds. Unfortunately the pigeons are extremely scared of me and won't...

I know that this is an often visited subject but I am fairly new and I want to do things right. I am just wondering if any one seen any adverse affects that may be related to supplementing pigeon feed with chicken layer feed which is really rich in nutrients (no animal protein). I have done a...