I work in poultry and that's not quite accurate. The breeder houses are where hatch eggs come from. Those houses utilize a nesting system where the hens lay eggs, and they're run into the egg collection room via the belt system on the bottom of the nests. Modern, well kept breeder house is in no way shape or form like that. Alot of newer houses, depending on the company, have egg pack machines in the roomsFWIW, the stinkiest houses, which not many people are exposed to, are the breeder houses, where the fertile eggs come from. The eggs are laid on a wire floor in a flock of chickens, and the broken eggs and chicken crap fall through the floor to the dirt, and after several weeks the stench is overwhelming.