We have a batch of a mix of 5 breeds that are 12 weeks old, including 5 black Jersey Giants. I have figured gender out on everyone but the Jerseys. At what age should gender be clear? They are HUGE! Two have tiny combs (obviously hens) and the rest vary but the other 3 are gender confused! I will try to post pics, but how long should I expect to wait before it becomes clear? I want to try to get the pullets integrated with the rest of my hens (22 weeks old). They are all together (all my chickens) outside during the day but younger ones get separated at night.