Aromatherapy for chickens.: "Fresh or dried herbs in your nesting boxes not only work as insecticides, but also have anti-bacterial properties, and can act as natural wormers, anti-parasitics, stress relievers and laying stimulants.
Building A Chicken Coop - hanging lavender keeps the flies out. Need to hang this in my chicken coops! - Building a chicken coop does not have to be tricky nor does it have to set you back a ton of scratch.