The Indian Council of Agricultural Research (ICAR), Manipur is investigating the source of transmission of avian flu or bird flu.
"The virus infecting the poultry birds of ICAR (Imphal) came from an unknown source and the center is still investigating into it though it is very difficult to locate the source of transmission," said an ICAR official.
AdvertisementDr. Blessa Sailo, scientist, ICAR Veterinary and Public Health, said that the bird flu could have spread through bird dropping, air, poultry feed and migratory birds. The scientist also stated that the poultry birds in the ICAR poultry unit were 32 weeks old and not a single bird or egg was imported from outside the state since September, 2014.
Dr. Sailo further said that a heavy rain on April 5 had blown away ICAR poultry unit and five birds were killed. And, just for precautionary measures, samples were sent to the Department of Veterinary and Animal Husbandry Services, to which the cause was identified as Ranikhet disease.
ICAR arranged for sending sample to ICAR-National Institute of High Security Animal Disease (NIHSAD), Bhopal for further investigation, not for detection of bird flu said Dr. Salio.
The state authority has reportedly culled more than 20,000 birds after the outbreak of the bird flu in the state since April 20. Besides, around 2335 eggs and 5759 kilogram of feeds were also destroyed.
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