The poultry industry is on high alert after South Australia recorded its first case of the highly contagious bird flu.

One of the nation’s biggest chicken producers has locked down its west coast farms as a second case of the deadly H5N1 bird flu was confirmed in Western Australia.

A migratory seabird found near Esperance has become the second bird to test positive to the H5 avian flu in Australia

Two dead seabirds are being tested for bird flu in South Australia.