ok i think i have every thing pretty much down pact about my girls eating habbits....., there about 10 weeks old now and are on start grower cumble and veggie snacks.......i will not be changing there feed to lay untill i start finding eggs in the coop...ok this might be a 2 question thing....i was told that it was better to feed crushed egg shell back to the chickens upon laying eggs rather then giving them oster shell...isn't oster shell better?.......if i only have one hen laying eggs is it ok to keep her on start grow untill the rest start to lay?