Japan has mobilised its military to help with a second mass cull of 230,000 chickens amid a spreading outbreak of a highly contagious strain of avian flu, officials said.
South Korea Wednesday revealed new cases of a deadly strain of bird flu as authorities said they had slaughtered two million chickens and ducks in a bid to control the outbreak.
Dutch officials have culled 190,000 ducks on a central Netherlands farm where inspectors have confirmed the presence of a highly infectuous strain of bird flu, officials and local media said Sunday.
Sweden on Friday said 200,000 chickens were being slaughtered at a farm where bird flu has been detected, following a resurgence in the virus across Europe.
Authorities in northern Germany have killed 16,000 turkeys and ordered 92,000 chickens slaughtered after detecting an outbreak of bird flu.
The Netherlands shuttered petting zoos and banned duck hunting as it stepped up measures Monday to stem a bird flu outbreak blamed for killing scores of poultry and more than a thousand wild birds.
New Delhi zoo has temporarily closed after two birds died of bird flu, its curator said Wednesday, a month after India declared itself free of the disease.
Monitoring the migration routes of wild birds could help to provide early warning of potential bird flu outbreaks, experts say.
A research project led by a student at The University of Nottingham is aiming to uncover why some horse owners choose not to vaccinate their animals against a potentially-fatal illness.