When the numbers build up they start killing chickens ,then they turn on their own kind .The eggs eaten ,stashed are a major issue too .They chew through the plastic floors and roll the eggs that ain't laid in the boxes by the conveyor .Years back a mate of mine and myself spent a night lying under a used shed with airguns and watched a few egg rollers in action ,fast they are too .That was under the old management where we regularly killed 400 plus per shed. With poison and a quicker turnaround ,the numbers are reduced considerably. Still get excited by it though lol.Two best days were way ba