日本四国地区确认本季首起禽流感疫情

Core Viewpoint - Japan's Ministry of Agriculture, Forestry and Fisheries confirmed the first outbreak of highly pathogenic avian influenza in the Shikoku region this season, marking the occurrence of avian influenza across all four major islands of Japan this season [1] Group 1: Outbreak Details - The outbreak occurred at a poultry farm in Higashikagawa City, Kagawa Prefecture, where an increase in chicken deaths was reported on November 9 [1] - Following the report, health authorities conducted on-site inspections and confirmed that all 10 tested samples were positive for avian influenza [1] - Genetic testing confirmed that the chickens at the farm were infected with the highly pathogenic avian influenza virus [1] Group 2: Response Measures - Approximately 24,000 egg-laying hens at the affected farm will be culled, incinerated, and buried [1] - A "movement restriction zone" has been established within a 3-kilometer radius of the farm to limit the movement of poultry carcasses and items that may spread pathogens [1] - A "transport restriction zone" has been set up within a 3 to 10-kilometer radius to restrict the movement of poultry and egg products from farms in that area [1] Group 3: Monitoring and Seasonal Context - The Ministry of the Environment has designated a 10-kilometer radius around the farm as a key monitoring area for wild birds [1] - The avian influenza outbreak season in Japan typically spans from autumn and winter to the following spring [1] - Previous outbreaks this season were confirmed in Hokkaido, Niigata, and Miyazaki Prefectures on specific dates in October and November [1]