There may be times when a broody hen is not in your best interest. Broodiness is infectious. Once one hen starts setting in earnest, it is highly likely that another hen will also start. And then another. Before long, there goes your egg production, most likely for several weeks. How do you break a broody hen?

The bacterium causing coryza can survive in areas with little oxygen available, such as water or feces. This bacterium lives in chronically ill chickens that appear healthy but are carriers of the disease due to previously encountering it.