The opinion of the European Food Safety Authority (EFSA) concluded that the potential for transmission through these pathways is lower than for several others – such as moving live domestic pigs or allowing contact between wild boar and domestic pigs – but that a risk cannot be completely excluded.
A model was developed to rank the risk from the different pathways – or matrices – using results from an expert knowledge elicitation (EKE).
The EKE was based on evidence from a literature search and a public consultation.
Seventeen products and matrices were assessed and ranked for their relative likelihood of becoming contaminated with the virus in ASF-affected areas and infecting pigs in non-affected areas.
Compound feed - mash and pellets - feed additives, and contaminated vehicles were the highest ranked.
To reduce the risk of the virus being introduced to pig farms through feed, bedding materials and transport vehicles, the scientific opinion recommends strict adherence to relevant decontamination and storage processes for all products moved from ASF-affected areas to unaffected areas.
The study
The EKE was carried out by three independent groups of six to eight experts each.
It was carried out in three steps: assessing the likelihood of contamination of a product; assessing the likelihood of the contaminated product having enough viable virus to infect a pig, the infectious dose; and assessing the volume of trade or imports of each product from an affected area in either the EU or Eurasia which would be delivered to either a small-scale or large-scale pig farm.
"low" - Google News
April 27, 2021 at 10:38PM
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EFSA: Low risk of ASF transmission through feed but it is a risk that cannot be - FeedNavigator.com
"low" - Google News
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