Nepal, July 13 -- Recently, hundreds of thousands of poultry were culled across Nepal following the confirmation of avian influenza (commonly known as bird flu) outbreaks. The virus had first emerged in Morang district, eastern Nepal, this year. Moreover, Nepal's only central zoo was forced to close indefinitely after several captive birds, including owls, vultures and egrets, as well as mammals such as civets and leopard cats, died from bird flu.

According to the Department of Livestock Services, house crows are considered a primary factor in the continued spread of bird flu across the Kathmandu valley. A few months ago, deaths of house crows associated with the bird flu virus were reported in Kirtipur and Taudaha, Kathmandu. Although e...