Belgium: Avian influenza post-vaccination surveillance key for safe movement of birds

게시됨 2024년 4월 19일

Tridge 요약

The European Food Safety Authority (EFSA) has outlined detailed surveillance and risk reduction strategies for avian influenza, emphasizing the importance of both emergency and preventive vaccination. The guidance includes specific recommendations on the types of poultry to be targeted, the number of animals to be tested, diagnostic methods, and the timing of sampling. For emergency vaccination against highly pathogenic avian influenza (HPAI), the focus is on early detection, considering poultry type and flock size, whereas preventive vaccination involves monthly virological testing of dead birds. EFSA highlights the necessity of passive surveillance for all flocks, vaccinated or not, and stresses the importance of vaccination within an integrated disease control strategy, alongside strategic surveillance and high biosecurity levels.

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원본 콘텐츠

EFSA was asked to give a comprehensive overview of effective surveillance options and risk reduction measures for avian influenza. The scientists assessed these measures and evaluated whether the available surveillance strategies could demonstrate freedom from the disease thereby enabling the safe movement of poultry and related products. The experts looked specifically at surveillance strategies for emergency and preventive vaccination scenarios, setting out the target species of poultry (layer chicken, turkey or duck), the number of animals to be tested, the diagnostic method, and the sampling period. In the case of emergency vaccination for highly pathogenic avian influenza (HPAI), the scientists concluded that surveillance schemes for the early detection of new outbreaks should consider the poultry type and flock size to be effective. If vaccination is preventive, to prove the absence of the disease monthly virological testing of up to 15 dead birds is recommended to safeguard ...

출처: EuroMeat