Avian influenza outbreaks in the US are rare but, when the virus strikes, the results are devastating. The disease spreads rapidly, forcing producers to rely on quarantine-and-cull to limit the damage. A 2015 outbreak in the US led to an estimated loss of more than 48 million birds.
Poultry scientists: Few hours of darkness a day does not harm broiler chicks
Broiler chicks can be provided between 1 to 4 hours of darkness a day without negative consequences, according to a recent study.