Why the study?
A deeper understanding of the smallholder context and precise risk estimation are needed to develop efficient, context-specific target control measures against African swine fever virus incursion and spread.
Population
305 outbreaks in domestic pigs in Sardinia during 2010-2018
Comparison
Intensive vs backyard farms
Design
Network transmission reconstruction and analysis
Key result
Outdoor pig farms had a significantly higher probability of experiencing a fast-spreading African Swine Fever outbreak compared to indoor farms (adjusted OR 1.36).
Authors
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Personnel practices and fencing gaps drive ASF introduction risk in Italian farms; leaves open whether targeted interventions reduce outbreaks.
Observational (n=305)
Odds Ratio: 1.36 (95% CI 1.12–3.77)
p-value: p=0.044
Outdoor pig farms in Sardinia had a significantly higher risk of African Swine Fever infection compared to indoor farms during the 2010-2018 epidemic.
Rolesu et al. (2021) conducted an observational in African Swine Fever (n=305). Outdoor farming vs. Indoor farming was evaluated on Probability of observing a fast-spreading outbreak (delta_time < mean) (OR 1.36, 95% CI 1.12-3.77, p=0.044). Outdoor pig farms had a significantly higher probability of experiencing a fast-spreading African Swine Fever outbreak compared to indoor farms (adjusted OR 1.36).