Ibaraki prefecture's authorities have decided to cull over 1.1 million chickens from a single farm due to a bird flu outbreak, as reported by Kyodo agency on February 3, 2023. This incident is part of a larger outbreak that has affected more than 20 prefectures in Japan, leading to the culling of over 11 million chickens this season. This season's outbreak marks the highest number of bird flu cases and the largest cull in Japan's history.