The highly contagious and deadly strain of avian flu was detected near the first site, with authorities now required to euthanise an estimated 87,000...

A second chicken farm at Hawkesbury on the outskirts of Sydney has been infected with bird flu, prompting a mass cull.

A poultry egg farm has gone into immediate lock down after a case of the highly contagious bird flu was detected in a second state.

Some 240,000 birds will be destroyed on a NSW egg farm to tackle the spread of bird flu in two states.

A commercial farm in NSW is under lockdown after bird flu was found in chickens, although the strain is different to the outbreak impacting Victoria.

A commercial farm in NSW is under lockdown after bird flu was found in chickens, although the strain is different to the outbreak impacting Victoria.

A commercial farm in NSW is under lockdown after bird flu was found in chickens, although the strain is different to the outbreak impacting Victoria.

Bird flu has been detected at a commercial egg farm in Sydney.

Avian influenza has been found at a second egg farm in the Hawkesbury district.

Avian influenza has been found at a second egg farm in the Hawkesbury district.