One of our chickens (a rooster) has gotten to a stage in his life where his aggression is starting to show, and each day it is steadily increasing. He has charged, bitten, and is growing more raucous. Since we live in a subdivision where we cant have chickens his aggression and loudness is becoming a problem and we will soon have to give him up. Is there possibly a way to stop his aggression and or crowing, or is there possibly some kind of environmental factor that could be causing it (like barking dogs?). Again this wasnt a problem in the past, but we are at the end of our rope.