Australia’s poultry industry has moved onto heightened alert as authorities urge farmers to strengthen biosecurity measures amid concerns about the potential spread of highly pathogenic H5 avian influenza, commonly known as bird flu.

According to published reports, producers have been advised to keep free-range chickens indoors where practical to minimise contact with wild birds, which are recognised internationally as one of the primary pathways through which avian influenza viruses can spread to domestic poultry. The recommendation is intended as a precautionary biosecurity measure designed to reduce the risk of infection rather than an indication of widespread disease within Australia’s commercial poultry sector.

Highly pathogenic avian influenza is a viral disease that primarily affects birds. Wild migratory birds can carry certain strains of the virus and, in some circumstances, transmit them to domestic poultry. Once introduced into commercial flocks, the disease can spread rapidly, making early detection and strict containment measures essential for limiting economic and animal welfare impacts.

Australia maintains one of the world’s most comprehensive biosecurity systems, with surveillance programs monitoring wildlife, commercial poultry operations and agricultural industries for emerging disease threats. When elevated risks are identified, authorities may recommend additional measures including restricting bird movements, strengthening hygiene protocols, limiting visitor access to farms and increasing health monitoring of poultry.

Veterinary experts explain that keeping free-range birds under temporary shelter during periods of increased risk can significantly reduce opportunities for contact with wild birds or contaminated environments. Farmers are also encouraged to promptly report unusual illness or unexplained bird deaths so veterinary authorities can investigate potential disease outbreaks as quickly as possible.

Officials emphasise that Australia’s food safety system includes multiple safeguards designed to protect consumers. Properly handled and thoroughly cooked poultry products and eggs remain safe to eat, while strict inspection and disease control procedures are applied throughout the commercial food production system.

Large outbreaks of avian influenza can have significant economic consequences for poultry producers by disrupting egg production, meat supply, exports and farm operations. For this reason, governments and industry organisations invest heavily in surveillance, emergency response planning and rapid containment strategies aimed at preventing widespread transmission.

Biosecurity specialists note that climate conditions, migratory bird movements and international disease activity are all considered when assessing Australia’s level of risk. Ongoing monitoring allows authorities to adjust recommendations as new information becomes available and to respond quickly if circumstances change.

As surveillance continues, poultry producers are expected to maintain heightened vigilance while following official biosecurity guidance. Although precautionary measures may temporarily affect some farming practices, authorities say they remain an important part of protecting Australia’s poultry industry, safeguarding food supplies and reducing the likelihood of significant disease outbreaks.