I have only added 2 chicks just after I got all my others a while back with no issues and then the ones I added recently so not sure how that is too many. It may as well be only once because the first time the others were also all new and chicks. I've never heard anything about not being able to...
I am pretty new to chickens still and first acquired 14 baby chicks a few months back. I had no problems out of them other than having too many roosters and a couple of chickens that were kinda buttheads that I decided to rehome to a friend of mine that is able to have her chickens free range...
