Yep, same here my 5 week old hen raised chicks have been eating it since day one and so are my 1.5 yr old hens. No roosters here. Oyster shells/crushed shells on the side. Grit too
An all flock or the grower feed with oyster shells on the side would work for everyone. Layer feed, from what I have read, has too much calcium for the boys long term.