Bird flu has been detected at chicken farms in the western Japanese prefectures of Tokushima and Miyazaki, leading to the culling of tens of thousands of chickens as the outbreak continues to spread in the country, the local governments said Saturday.The H5 strain, yet to be confirmed as a highly pathogenic type, was detected for the first time in Tokushima, making it the 12th prefecture to report an avian flu outbreak case this year.The farm in Awa, Tokushima, bordering Kagawa Prefecture where the year's first case of flu was confirmed, initially planned to cull 10,000 chickens but ended u…READ FULL ARTICLE