Madrid Confirms First 2025 Avian Flu Outbreak, 450,000 Hens Culled
Madrid authorities have confirmed the region's first outbreak of avian influenza in 2025, affecting a commercial farm in Valdemoro. The highly pathogenic H5N1 virus is responsible, leading to a temporary restriction on poultry movement and related products in the surrounding area.
The outbreak was initially suspected due to a rise in hen mortality rates. Approximately 450,000 laying hens are being culled as part of containment measures, which also include thorough disinfection of the affected farm and strict biosecurity measures to prevent the virus from spreading to neighboring farms.
Authorities have pledged support to affected farmers while prioritising animal welfare and public health. The H5N1 strain of avian influenza can rarely infect humans under exceptional circumstances, but properly cooked poultry products remain safe for consumption.
The Valdemoro outbreak highlights the persistent challenges posed by avian influenza in Spain, where commercial poultry farms are particularly vulnerable to highly pathogenic strains. The risk of human infection is extremely low, and consuming properly cooked poultry or eggs poses no risk. The central responsibility for analyzing samples during bird flu outbreaks lies with the laboratories under the Andalusia Ministry of Sustainability and the Environment.
