The decision has been taken as a precautionary measure to prevent the spread of the disease in Nagaland and to safeguard poultry birds and public health, Dr R Thungchamo Ezung, Director, Veterinary and Animal Husbandry, said.
The state has also asked poultry traders, chief veterinary officers, Rapid Response Team and the public to stay vigilant, he said.
Mizoram government also banned the import of chickens and eggs from Manipur, Mizoram Animal Husbandry and Veterinary department Secretary K Lalnghinglova said.
Temporary check gate would be established at Khawkawn village in Champhai district, initially for two months, to enforce the ban, Lalnghinglova said.
Control centres were also reactivated at the Directorate of AH and Veterinary in Aizawl and Kolasib and Champhai district headquarters.
"We have instructed the veterinary officers in all the eight districts to increase vigilance in their respective areas," he said.
The state government also issued an appeal to the people to inform the authorities about any death of two or three chickens in a place.
