Key result
Surveillance of culled free-ranging pigs in Sardinia revealed ASFV antibodies in 36.7% and ASFV genome in 1.9% of tested animals, indicating circulation of endemic low-virulence strains.
Observational (n=4,484)
Culling actions drastically reduced ASFV circulation among free-ranging pigs in Sardinia, with evidence of low-virulence ASFV isolates circulating among apparently healthy animals.
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Culling illegal pigs was associated with reduced ASFV circulation; leaves open optimal strategies for endemic regions.
Franzoni et al. (2020) conducted an observational in African swine fever virus (ASFV) (n=4,484). ASFV exposure in free-ranging pigs was evaluated on ASFV-antibody detection. Surveillance of culled free-ranging pigs in Sardinia revealed ASFV antibodies in 36.7% and ASFV genome in 1.9% of tested animals, indicating circulation of endemic low-virulence strains.
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