Not necessarily true. Healthy bird lay eggs...it's what they do.Glad to hear that. Less eggs less chance for complications.
If a bird stops laying it usually means something serious is wrong. Infection or laying internally are both likely.
You mentioned you feed scratch daily.
I HIGHLY recommend stopping that today and only offering a tiny amount once a week instead. By tiny I mean no more than a small spoon full per bird.
Offering treats like that daily takes away from the bird getting a balanced/complete diet which is one of the top reasons infections can set in.