Norfolk, Suffolk, Lincolnshire and components of Yorkshire have been made topic to avian flu restrictions.
The Avian Influenza Prevention Zone (AIPZ) had been established to mitigate the danger of additional outbreaks, the Department for Environment, Food and Rural Affairs (Defra) mentioned.
It mentioned hen flu had just lately been detected throughout the East Riding of Yorkshire and in Hull.
It is now a authorized requirement for all hen keepers within the areas to “mitigate the danger of additional outbreaks of the illness”, it mentioned.
Cases have been detected at six premises in England – three in Norfolk, two in Yorkshire and one in Cornwall.
The danger to human well being stays very low and correctly cooked poultry and poultry merchandise, together with eggs, are fit for human consumption, Defra mentioned.
Christine Middlemiss, the UK’s chief veterinary officer, mentioned: “This signifies that all hen keepers in these areas should take enhanced biosecurity actions now to each assist stop illness getting in to flocks and cease it spreading any additional.
“Bird keepers should train sturdy biosecurity measures, stay alert for any indicators of illness and report suspected illness instantly to the Animal and Plant Health Agency.”
Aled Edwards, head of discipline supply at Animal and Plant Health Agency, mentioned its scientists, vets and discipline groups have been “working laborious to assist deal with the unfold of avian influenza and guarantee hen keepers are stored updated and supported”.