We ordered 77 chicks and received week 1. We had a little girl that didn't stand out from the crowd, but realized a week later that she wasn't growing. Week 2, we received a second shipment of 26 girls. We put her in with the second shipment after they were here for 1 day. She was almost the same size. We've since incorporated the week 2 shipment with the week 1 shipment. She eats, drinks, poops etc. but now is smaller than the week 2 shipment. Week 2 is growing tail feathers, and she isn't. We got large laying girls from Meyers and did have a "meal maker," but otherwise, no bantams were indicated in the order. She now stays to herself and somewhat follows the flock. If this is not genetic, is there something we can do to boost her back into growing? If it is genetic, what is the prognosis?