Highly pathogenic avian influenza caused by an H5N8 strain has now been diagnosed in eight of the 47 prefectures in Japan.
An outbreak on an egg production farm was diagnosed in Kinokawa City in the Wakayama Prefecture, resulting in prompt depopulation. Three broiler farms in the Oita Prefecture were infected and flocks were depleted. Collectively 130,000 chickens on the four farms were euthanized and buried.
Since the initial outbreaks, 2.5 million chickens have been killed with on-site disposal. In April 2010 an avian influenza outbreak in Japan resulted in depletion of 1.8 million laying hens and broilers.
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