A new case of bird flu has been confirmed at a large commercial poultry site near Munford.
It's the 10th in the county this season. Therefore, a the H5N1 strain was detected on Sunday, with all birds at the premises to be humanely culled.
Protection and surveillance zones have been set up around the site.
17 outbreaks have now been recorded across Norfolk, Suffolk and Cambridgeshire since September.