"We received an information on May 5 that at a chicken farm about 20,000 chickens have died. To identify the disease we had sent the samples to a laboratory in Bhopal, the report confirms the cause is due to H5N1 virus," Karnataka Minister for Animal Husbandry and Sericulture A Manju today said.
He said the rest, about 1,30,000 chickens in the farm would be culled in next one or two days, and an order has been issued in this regard.
The minister also said all precautionary measure have been taken by government to control spread of the disease in any kind.