Around 100 migratory birds have been discovered lifeless in Pong Dam Lake within the final two weeks after the outbreak of a second wave of chook flu in Himachal Pradesh, wildlife officers stated at this time.
Bird flu had first been confirmed amongst migratory water-birds at Pong Dam Lake Wildlife Sanctuary in early January that left round 5,000 birds lifeless in a month. It was contained in early February however has now resurfaced since late March starting with the invention of a dozen chook carcasses within the sanctuary on March 25, they added.
Chief Wildlife Warden Archana Sharma stated the National Institute of High Security Animal Diseases (NIHSAD) in Bhopal has confirmed the presence of H5N8 avian influenza among the many samples of the lifeless birds.
This pressure is totally different from the earlier outbreak, when H5N1 had been detected among the many migratory birds, she stated including that each these strains are extremely pathogenic.
Highly pathogenic subtypes of the avian influenza virus are generally known as extremely contagious amongst birds and particularly lethal for the poultry. Earlier this yr, when chook flu outbreaks have been reported throughout India, a lot of the states together with neighbouring Haryana reported the H5N8 subtype of the virus, a pressure which has not been identified to contaminate people.
As of Tuesday, 99 birds have been discovered lifeless at Pong Dam lake throughout this resurgence, she added.
Like the earlier outbreak, a lot of the victims are bar-headed geese, she stated including that the lifeless birds additionally embrace 9 greylag geese.
The outbreak has thus far been confined to 2 adjoining forest beats and chook fatalities are larger throughout days of adversarial climate as a result of that’s when the geese are inclined to flock collectively as a substitute of flying out, resulting in extra transmission of the virus, she added.
An worldwide Ramsar website with an space that extends as much as 220 sq. kilometres in the course of the moist season, the Pong wetland turns into dwelling to flocks of migratory waterfowl every winter when wetlands in Europe, north and central Asia change into frozen. A chook census within the sanctuary in February revealed the presence of over one lakh migratory water birds of 51 totally different species on the lake, together with over 40 thousand bar-headed geese.
With the onset of summer time, the migratory birds are actually flying again to their mother or father wetlands, she added.
Many of the birds at the moment current within the lake are these which have flown from Rajasthan and different components of the nation, stopping right here on their northward journey, she added.
Some incidents of deaths of different birds have additionally been reported from different components of the state, together with Theog in Shimla district and Manali in Kullu district, and their samples have been taken for testing by the animal husbandry division.
Meanwhile the sanctuary has once more been closed for guests, and the chook flu motion plan has been activated, which incorporates surveillance, testing and scientific disposal of lifeless birds, Ms Sharma stated.