A highly pathogenic avian influenza (HPAI H5N1) surveillance zone blankets much of the Somerset Levels as of January 2026, stemming from a November 2025 outbreak at a large commercial poultry farm near Ashcott. Defra’s January 6 update maintains the 10-mile zone with minor boundary tweaks, alongside a separate captive bird controlled zone in Bridgwater’s Dunwear area. These measures protect flocks amid wild bird migrations, with restrictions until further notice—check Defra site daily.
Outbreak Timeline and Initial Response
HPAI H5N1 struck November 29, 2025, at an Ashcott premises between Bridgwater and Street, prompting immediate 3-mile protection zone and 10-mile surveillance declaration. All poultry culled humanely; biosecurity ramped. Early December saw Dunwear non-commercial captive birds infected, birthing a 3km controlled zone.
Defra/APHA surveillance tests wild/domestic flocks negative outside epicentres, but caution prevails—H5N1 rampant in Europe, spilling via migratory waterfowl over wetlands. January 2026 boundary adjustments followed «bird gathering changes,» signage erected on A39, B3151 for drivers. No new cases reported Levels-wide since, but zones persist.
Zone Boundaries and Coverage
Protection zone (3 miles Ashcott): Ashcott village, Walton, Street sliver (Business Park on Gravenchon Way), Avalon Marshes chunks—prime wetland habitat.
Surveillance zone (10 miles): blankets Butleigh, Compton Dundon, Glastonbury full, Middlezoy, Othery, Street, most Somerton/Westonzoyland, Woolavington east, Wedmore south. Dunwear’s 3km captive zone overlays near Bridgwater.
Interactive APHA maps pinpoint; apps alert keepers.
Mandatory Restrictions in Detail
Poultry/gamebird businesses record all visitors: dates, times, bird contacts—mandatory in protection/surveillance zones. Mandatory housing: all birds (50+ mandatory; under 50 if selling eggs/products/live birds). Personal flocks <50 exempt housing but biosecure.
No poultry/bird movements without licences—apply APHA 24hrs prior. Egg sales banned protection zone; surveillance restricts transport. Cleansing/disinfection compulsory post-visits; footwear dips, clothing changes. Wild bird feeders down to curb scavenging.
Game shoots suspended; pigeon racing detoured. Pet owners house backyard hens/ducks if commercial intent.
Compliance and Record-Keeping Rules
Visitor logs scrutinised: non-essential barred, vets/farmers declare prior. 14-day standstills post-zone visits before new movements. APHA audits random; fines £5k+ breaches. Digital apps streamline logs; templates free Defra site.
Farmers register flocks online; traceability paramount.
Biosecurity Best Practices
Housing: fox-proof aviaries, double-fenced, covered tops block wildfowl. Feed/water indoors; vermin-proof. Disinfect daily—bleach footbaths, Jeyes fluid. PPE: disposable suits, boot covers, goggles for handlers.
Wildlife buffers: no ponds shared; netting over runs. Vehicle sanitise wheels entering sites. Report suspicions (sudden deaths, respiratory)—APHA hotline 24/7. Vaccinations voluntary—H5 trials underway.
Economic and Community Impacts
Poultry farmers face losses: culls cost thousands, housing hikes feed bills 20%. Egg shortages local markets; prices up 15%. Rural Levels economy—£10m poultry sector—strains; diversification to beef urged.
Tourism dips Avalon Marshes: birdwatchers warned no feeding. Glastonbury/Somerton cafes adapt—vegan menus boom. Council aid: grants biosecurity upgrades, mental health support lines.
Latest Updates as of January 8, 2026
Defra confirms zones «until further notice»—no lift timeline. Norfolk/Lincolnshire zones revoked post-surveillance; Somerset holds pending wild bird die-offs cease. APHA tests 500+ samples negative. Dunwear controlled zone stable.
Weather aids: mild wet winter dilutes virus survival. Spring migration risks monitored.
Restrictions Summary Table
| Zone Type | Radius/Area | Key Rules | Affected Areas |
|---|---|---|---|
| Protection (Ashcott) | 3 miles | Full movement ban, housing, logs, culls | Ashcott, Walton, Street part, Marshes |
| Surveillance (Levels) | 10 miles | Records, housing commercial, no sales | Glastonbury, Somerton, Othery etc. |
| Captive Controlled | 3km Dunwear | Similar to protection, non-commercial | Bridgwater Dunwear |
Farmer Support and Resources
APHA helpline vets queries; grants £5k-25k upgrades. NFU webinars biosecurity; RPRA maps pigeon routes. Insurance covers culls (check policies). Diversify: free-range halt, but pastured alternatives.
Mental toll: Farming Community Network counsellors. Markets pivot: direct sales culled-free assurances.
Wild Bird and Environmental Angles
H5N1 ravages wildfowl—mute swans, gulls dropping Reserves. RSPB Avalon rangers collect carcasses PPE-clad; public report via APHA app, never touch. Virus soil-persistent weeks; floods dilute.
Wetlands buffer: no poultry near RSPB Ham Wall. Conservation cull-free—focus containment.
National Context and Future Outlook
England tallies 50+ H5N1 cases 2025/26; Wales/Scotland zones lifted. Spring high-risk—geese return. Voluntary vacci rollout 2026 pilots. Defra eyes all-Wales prevention if surges.
Lift criteria: 30-day clean surveillance, wild die-offs zero. Somerset farmers optimistic mild weather helps.
Practical Advice for Keepers
Daily checks: isolate sick birds, quarantine new. Stockpile feed/PPE. Neighbours coordinate—no shared equipment. Sell pre-zone? Document. Hobbyists house voluntarily.
Communities vigilant: report mass wild deaths. Supermarkets stockpile eggs preemptively.
Broader Implications for Somerset Levels
Levels’ wetland mosaic amplifies risks—Pecham Marshes wild reservoirs. Economy weathers: tourism rebounds post-lift, poultry adapts. Council enforces signage, aid hubs Taunton.
HPAI saga underscores vigilance—biosecurity eternal. Somerset Levels endures, flocks fortified, skies watchful. Stay informed, stay safe—Defra updates lifeline.
Nikhita Jose is a journalist and content writer covering local news, community affairs, and public interest stories in Somerset. She focuses on clear, accurate reporting and brings a thoughtful, reader-first approach to regional journalism.