Increased activity in broilers can reduce kinky back — a spinal deformity that can affect mobility in fast-growing chicks between 3 and 6 weeks of age.
Poultry scientists test promising avian flu vaccination strategies
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.