MIYAZAKI (Kyodo) Around 33,000 broiler chickens were culled Sunday at a poultry farm in Kadogawa, Miyazaki Prefecture, after the 13th case of bird flu in the prefecture was confirmed the previous day, prefectural officials said.

Sunday's cull brought total chickens slaughtered at poultry farms in the prefecture to around 990,000 since the first infection was confirmed in the city of Miyazaki on Jan. 22.

In total, 22 cases of bird flu infections have been confirmed at poultry farms across the country, including the 13 cases in Miyazaki Prefecture.