Bird flu at poultry farms, updates 2025/2026
- M (Mónika) Ballmann, PhD
- Expert on avian influenza
On this page, Wageningen Bioveterinary Research (WBVR) presents an overview of highly pathogenic bird flu infections on Dutch poultry farms from October 2025 up. To prevent the virus from spreading, the Dutch Food and Consumer Product Safety Authority (NVWA) has culled the animals at these farms.
Bird flu infections from October
Below are infections as of October 2025 with the hazardous variant of bird flu; highly pathogenic avian influenza (HPAI). The first table contains Dutch commercial poultry farms and the second other locations with 50 or more birds.
| Location and date | Animals | Type |
|---|---|---|
Nijkerk | 02-12-2025 | Ducks - 4,700 animals | Under investigation |
Hierden | 01-12-2025 | Ducks - 10,000 animals | Under investigation |
Zeewolde | 30-11-2025 | Ducks - 12,000 animals | Under investigation |
Helden | 26-11-2025 | Laying hens - 85,000 animals | Under investigation |
Tienray | 26-11-2025 | Broilers - 185,000 animals | Under investigation |
Bornerbroek | 26-11-2025 | Broilers - 18,000 animals | Under investigation |
Terschuur | 24-11-2025 | Laying hens - 28,000 animals | Under investigation |
Holwierde | 24-11-2025 | Broilers - 48,000 animals | Under investigation |
Streefkerk | 21-11-2025 | Laying hens - 16,000 animals | Under investigation |
Terschuur | 17-11-2025 | Laying hens - 62,000 animals | Under investigation |
Opende | 17-11-2025 | Broilers - 56,000 animals | H5N1 |
Drogeham | 14-11-2025 | Laying hens - 117,000 animals | H5N1 |
Assendelft | 14-11-2025 | Laying hens - 220 animals | H5N1 |
Bennekom | 10-11-2025 | Breeding company with hens - 20,000 animals | H5N1 |
Swifterbant | 10-11-2025 | Laying hens - 47,000 animals | H5N1 |
Drogeham | 07-11-2025 | Laying hens - 120,000 animals | H5N1 |
Emmeloord | 03-11-2025 | Laying hens - 45,000 animals | H5N1 |
Toldijk | 27-10-2025 | Pheasants - 5,000 animals | H5N1 |
Dodewaard | 22-10-2025 | Laying hen rearing - 161,000 animals | H5N1 |
Gasselternijveenschemond | 07-10-2025 | Broiler breeders- 71,000 animals | H5N1 |
Highly pathogenic bird flu at commercial poultry farms
- Location and date
Nijkerk | 02-12-2025
AnimalsDucks - 4,700 animals
TypeUnder investigation
- Location and date
Hierden | 01-12-2025
AnimalsDucks - 10,000 animals
TypeUnder investigation
- Location and date
Zeewolde | 30-11-2025
AnimalsDucks - 12,000 animals
TypeUnder investigation
- Location and date
Helden | 26-11-2025
AnimalsLaying hens - 85,000 animals
TypeUnder investigation
- Location and date
Tienray | 26-11-2025
AnimalsBroilers - 185,000 animals
TypeUnder investigation
- Location and date
Bornerbroek | 26-11-2025
AnimalsBroilers - 18,000 animals
TypeUnder investigation
- Location and date
Terschuur | 24-11-2025
AnimalsLaying hens - 28,000 animals
TypeUnder investigation
- Location and date
Holwierde | 24-11-2025
AnimalsBroilers - 48,000 animals
TypeUnder investigation
- Location and date
Streefkerk | 21-11-2025
AnimalsLaying hens - 16,000 animals
TypeUnder investigation
- Location and date
Terschuur | 17-11-2025
AnimalsLaying hens - 62,000 animals
TypeUnder investigation
- Location and date
Opende | 17-11-2025
AnimalsBroilers - 56,000 animals
TypeH5N1
- Location and date
Drogeham | 14-11-2025
AnimalsLaying hens - 117,000 animals
TypeH5N1
- Location and date
Assendelft | 14-11-2025
AnimalsLaying hens - 220 animals
TypeH5N1
- Location and date
Bennekom | 10-11-2025
AnimalsBreeding company with hens - 20,000 animals
TypeH5N1
- Location and date
Swifterbant | 10-11-2025
AnimalsLaying hens - 47,000 animals
TypeH5N1
- Location and date
Drogeham | 07-11-2025
AnimalsLaying hens - 120,000 animals
TypeH5N1
- Location and date
Emmeloord | 03-11-2025
AnimalsLaying hens - 45,000 animals
TypeH5N1
- Location and date
Toldijk | 27-10-2025
AnimalsPheasants - 5,000 animals
TypeH5N1
- Location and date
Dodewaard | 22-10-2025
AnimalsLaying hen rearing - 161,000 animals
TypeH5N1
- Location and date
Gasselternijveenschemond | 07-10-2025
AnimalsBroiler breeders- 71,000 animals
TypeH5N1
| Location and date | Animals | Type |
|---|---|---|
Weert | 02-12-2025 | Flamingos and cranes - 120 animals | Under investigation |
Nijmegen | 26-11-2025 | Chickens - 52 animals | Under investigation |
Terhole | 20-11-2025 | Chickens - 87 animals | Under investigation |
Born | 05-11-2025 | Birds at a zoo | H5N1 |
Steenderen | 31-10-2025 | Waterfowl and chickens - 60 animals | H5N1 |
Hummelo | 24-10-2025 | Waterfowl - 150 animals | H5N1 |
Highly pathogenic bird flu at larger non-commercial farms
- Location and date
Weert | 02-12-2025
AnimalsFlamingos and cranes - 120 animals
TypeUnder investigation
- Location and date
Nijmegen | 26-11-2025
AnimalsChickens - 52 animals
TypeUnder investigation
- Location and date
Terhole | 20-11-2025
AnimalsChickens - 87 animals
TypeUnder investigation
- Location and date
Born | 05-11-2025
AnimalsBirds at a zoo
TypeH5N1
- Location and date
Steenderen | 31-10-2025
AnimalsWaterfowl and chickens - 60 animals
TypeH5N1
- Location and date
Hummelo | 24-10-2025
AnimalsWaterfowl - 150 animals
TypeH5N1
Housing obligation
From October 16 2026, a housing obligation has been installed in the Netherlands.
Do you have a question?
Do you have a question about avian influenza or do you see opportunities to collaborate with us? Please contact our expert.
M (Mónika) Ballmann, PhD
Bird flu expert
More information about bird flu
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