We have two red sex link pullets laying everyday and one of them is laying double yokers about 3 or 4 times a week. She seems to lay them after being given healthy treats or being let out for free ranging. We have a fox that visits during the day so I can only let them free range if I am with them. How unhealthy is it for her to be laying such large eggs? She does not skip the next day either. I have read on the message board that too much protein may be to blame. We have three 14 week old pullets as well as the 2 red sex links and 1 one year old moulting sex link so we feed them laying pellets, pullet crumble and free choice oyster shell. Maybe she is eating too much high protein crumble but I dont know what else to do.