Avian influenza housing measures to be lifted this week
13th May 2025
Defra has just announced that mandatory housing measures for poultry and captive birds, which were introduced across various counties to prevent the spread of bird flu, will be lifted from Thursday 15th May.
The latest risk assessment shows that the risk of avian influenza levels in wild birds and poultry has reduced. This means poultry and other captive birds will no longer need to be housed and can now be kept outside, chief veterinary officer said.
The lifting of housing measures applies to all areas unless keepers are in a protection zone or a captive bird monitoring (controlled) zone – these are areas where there has been a recent outbreak.
Defra explained that scrupulous biosecurity is the best deterrent to stopping the spread of avian influenza. Birdkeepers are legally required to adhere to the highest biosecurity standards, with an avian influenza prevention zone (AIPZ) mandating strict biosecurity remaining in place in England, Scotland and Wales.
This includes measures such as disinfecting footwear, clothing and vehicles and equipment before and after entering premises.
Bird gatherings, such as fairs and markets, remain banned.
READ MORE: Regulations amended to support poultry farmers during bird flu outbreaks
Prepare for safe release
UK chief veterinary officer, Dr Christine Middlemiss, said: “Following a sustained period of reduced risk from avian influenza, we are now able to lift the mandatory housing measures in effect in various counties, which is testament to the hard work and vigilance of bird keepers across the country who have all played their part in managing the spread of this disease.
“While the lifting of mandatory housing measures will be welcomed by bird keepers, it is imperative that keepers continue to practice stringent biosecurity and that any suspicions of disease are reported to the Animal and Plant Health Agency immediately.”
Dr Middlemiss added that those who intend to allow their birds outside are advised to use the upcoming days to prepare their outside areas for the safe release of their birds, as ranges and outdoor areas may still be contaminated with the avian influenza virus.
This will include cleansing and disinfecting hard surfaces, fencing off ponds or standing water, and reintroducing wild bird deterrents.
As birds have been housed for several months, it may be necessary for birds to be acclimatised and gradually released over a period of days to minimise welfare issues, the expert advises.
“Keepers are encouraged to take action to prevent bird flu and stop it spreading. Be vigilant for signs of disease and report it to keep your birds safe,” Dr Middlemiss concluded.
Check if you are in a bird flu disease zone on the map and check details of the restrictions for further advice and information.
Bird keepers must register within one month of keeping poultry or other captive birds at any premises in England or Wales, further information is available here.
READ MORE: £35k raised for farmer who had to cull 5k hens due to bird flu
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