- It is a slower growing bird where the males can reach market weight in 10 to 12 weeks (4 – 4.5 lbs. live weight) and the females taking 15 weeks. The Asian Blue can be used as a dual purpose bird. It’s striking colors with a blue/green hue on the black and red feather pattern makes it a beautiful flock. The females are good layers of medium to large brown eggs. It is a hardy bird that can adapt to many growing conditions.