Herculean task to clean up Asia's family farms

NONG CHOK (Thailand): For thousands, possibly millions, of farmers across East and Southeast Asia, raising a few chickens and ducks is not just a job. It is a way of life little changed for centuries, if not millennia. 

But as bird flu breaks out across the region, agriculture officials are calling for fences, nets and rubber gloves to keep the deadly virus away from poultry and people – in short, a complete overhaul of traditional farms.