African swine fever in wild boar
EFSA Panel on Animal Health and Welfare (AHAW)
Miranda, Miguel Angel
Nielsen, Søren Saxmose
Stegeman, Jan Arend
Abrahantes, José Cortiñas
Muñoz Gajardo, Irene
Gortázar Schmidt, Christian
The European Commission requested EFSA to compare the reliability of wild boar density estimates across the EU and to provide guidance to improve data collection methods. Currently, the only EU-wide available data are hunting data. Their collection methods should be harmonised to be comparable and to improve predictive models for wild boar density. These models could be validated by more precise density data, collected at local level e.g. by camera trapping. Based on practical and theoretical considerations, it is currently not possible to establish wild boar density thresholds that do not allow sustaining African swine fever (ASF). There are many drivers determining if ASF can be sustained or not, including heterogeneous population structures and human-mediated spread and there are still unknowns on the importance of different transmission modes in the epidemiology. Based on extensive literature reviews and observations from affected Member States, the efﬁcacy of different wild boar population reduction and separation methods is evaluated. Different wild boar management strategies at different stages of the epidemic are suggested. Preventive measures to reduce and stabilise wild boar density, before ASF introduction, will be beneﬁcial both in reducing the probability of exposure of the population to ASF and the efforts needed for potential emergency actions (i.e. less carcass removal) if an ASF incursion were to occur. Passive surveillance is the most effective and efﬁcient method of surveillance for early detection of ASF in free areas. Following focal ASF introduction, the wild boar populations should be kept undisturbed for a short period (e.g. hunting ban on all species, leave crops unharvested to provide food and shelter within the affected area) and drastic reduction of the wild boar population may be performed only ahead of the ASF advance front, in the free populations. Following the decline in the epidemic, as demonstrated through passive surveillance, active population management should be reconsidered.
636 - Explotació i cria d'animals. Cria del bestiar i d'animals domèstics
Is part of
More, Simon, Miguel Angel Miranda, Dominique Bicout, Anette Bøtner, Andrew Butterworth, Paolo Calistri, and Sandra Edwards et al. 2018. "African Swine Fever In Wild Boar". EFSA Journal 16 (7). Wiley. doi:10.2903/j.efsa.2018.5344.
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