China's agriculture ministry said the highly pathogenic H5N6 strain of avian flu had been found in a poultry farm in southwestern Sichuan province.
This is the first H5N6 avian flu detected from a poultry farm after four cases found in swans this year.
The ministry said on Sunday night 1,840 birds had died in the farm of 2,497. The rest have been culled.
(Reporting by Muyu Xu and Tony Munroe; Editing by Muralikumar Anantharaman)
