At least 2,500 chickens were slaughtered at Surtani of Khairahani Municipality-9 due to the avian influenza. Following this, 11,950 layer, 23 local and four broiler chickens, 144 ducks, 607 kilograms poultry feed and 12,726 eggs were destroyed after declaring the area an emergency zone, said Chief of the DLSO Chet Narayan Kharel. Of the destroyed…