Poultry keepers are being urged to remain vigilant over bird flu after a dead wild duck in Wales was found to have a dangerous strain of the disease.

Three people have been tested for bird flu as work begins to slaughter 10,000 chickens following an outbreak at a farm in England.

Culling of thousands of ducks at a farm operated by the UK’s largest producer of duck products is expected to begin today after a bird flu outbreak.

An animal disease which causes severe birth defects and miscarriages in livestock could spread across Britain this year, experts believe.