I feed fermented feed 2x a day and free range them with the layers and turkeys. (which is what I did with the cx hen to keep her alive long enough to lay eggs)
The f1 hen (1/2 cx) just died last week at 2 yrs old, internal laying...one of her brothers is still alive, one died this spring from...
3rd generation... mixed heritage roo over cx hen (townline hatchery)... white are about 1/2 lb heavier in breast meat than barred. barred are about 5lbs dressed at 16 wks...Heritage barred is about 3 1/2lbs at 16 weeks.. Blk have been hens that lay well