Let me put this another way. She's 28 weeks at this point. If she's not layed, is she defective? Her flockmates continue to lay an egg every day, so day length is still fine.
She's looked like a fully developed hen for 4-6 weeks or more. Huge red floppy comb and wattles. She's been going in and out of the nest for that long too. She doesn't really squat much, but seems to be starting a bit.
She free ranges, but I kept her locked up for 3 days a week or two ago to...