surrogate

Hi everyone. I have taken on an orphaned squab....(I'd say about 7 days old) and am wondering if I could give it to my pigeon pair in my aviary to surrogate. They are currently sitting on fake eggs so could I swap the eggs for the squab?? Or is it too old? I can feed and rear myself but thought...

Let me start by saying I am relatively new to pigeons. I have a mini loft that I had several ybs in and a pair of prisoners from a fancier near me. The prisoners laid a couple of weeks ago and things were going well. I don't really like the idea of prisoners b/c of the lack of space, but my...