Logistical Study in Hyogo Prefecture on Disposal of Poultry Carcasses Infected with Highly Pathogenic Avian Influenza Virus to Prevent Infection Spreading to Other Flocks

概要

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Establishment of a disposal plan for carcasses in advance is important for prevention of epidemics. A disposal plan for contaminated goods such as poultry carcasses infected with highly pathogenic avian influenza (HPAI) virus was studied in Hyogo prefecture, Japan. We investigated all poultry farms with over 1,000 birds for their locations, species and numbers of birds, structure and size of poultry facilities, and land spaces of the farms. Moreover, we judged whether they could dispose of all the carcasses at their farms. In 2005, 5.5 million layers and 2.7 million broilers were being kept. If HPAI had broken out, 44.0% of farmers could bury all the carcasses, and 65.6% could compost them at their farm. However, 23.4% could not dispose of them except by burning at incineration facilities. We decided to choose burning first for rapid disposal, as long as the virus was not pandemic type.