HI, I am new to the "Chicken" world and this is my first small flock. I have a male Orpington roo who is VERY large compared to the Orp hen and EE hens. My concern is that he is always laying down. He will walk a couple of steps and then lay down. If it comes to chasing something in the large outdoor pen/ field, he seems to do fine and I haven't noticed any limping. They are all just over 3 months and I just don't know if that is "normal" behavior. Thanks so much for any insight