Nepal is the 40th country to be infested with avian flu since last October.
Bird flu which is also known as avian influenza has been detected in Pokha.
The avian influenza was confirmed following the test carried out on dead ducks at Khaltemashina in Sub Metropolitan City-18, veterinary office, Kaski told Republica Online.
According to Thagendra Prasad Aryal, veterinary surgeon, a test was conducted on the dead ducks kept by Mina Pariyar after they started dying.
The test conducted showed H5N1 virus.
He further said that precaution has been taken not to let the virus further spread.
Rapid rescue teams from the center and local level have been mobilized in the virus-hit area.
All the ducks and hens will be culled at Khaltemashina, Aryal said.