日本北海道又确认一起高致病性禽流感疫情
Xin Hua She·2025-12-29 02:17

Core Viewpoint - The outbreak of highly pathogenic avian influenza (HPAI) has been confirmed at a poultry farm in Hokkaido, Japan, marking the third case in the region this season and the eleventh nationwide [1]. Group 1: Outbreak Details - The Ministry of Agriculture, Forestry and Fisheries reported that a poultry farm in Yubari, Hokkaido, tested positive for HPAI after a report was received on December 28 [1]. - Genetic testing confirmed the presence of the virus in the chickens raised at the farm [1]. Group 2: Response Measures - A total of 6,000 egg-laying hens at the affected farm will be culled, incinerated, and buried as part of the containment measures [1]. - A 3-kilometer radius around the farm has been designated as a "movement restriction zone" to prevent the spread of pathogens, while a 3 to 10-kilometer radius is classified as a "transport restriction zone" for poultry and egg products [1]. Group 3: Seasonal Context - The avian influenza outbreak typically occurs from autumn to spring in Japan, with the first case of the current season reported on October 22 in Shiraoi, followed by another case on November 2 in Eniwa [1].