July 29, 2019Frontiers in Veterinary ScienceOpen Access

Threat to the French Swine Industry of African Swine Fever: Surveillance, Spread, and Control Perspectives

Q: What is the clinical evidence from this study?

Study design: Other. Population: African Swine Fever (n=21446). Intervention: Additional screening of small herds (<300 pigs) vs. Current surveillance measures. Primary outcome: Detection rate of infected herds (free-range index cases).

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Key result

Simulated additional screening of small herds (<300 pigs) increased the detection rate of African Swine Fever outbreaks from 15.2% to 94% when the virus was introduced into free-range herds.

Population

French swine industry, including conventional and free-range pig production sites

Design

Other

Authors

MAMathieu AndraudAgence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail THTariq HalasaUniversity of Copenhagen ABAnette BoklundUniversity of Copenhagen

Discussion

Member takes

Implication

Supports targeted screening in small free-range pig herds; leaves open real-world impact on ASF spread.

Structured PICO

Population

21,446 French swine production sites modeled to simulate the epidemiological consequences of African Swine Fever introduction and evaluate surveillance strategies.

Intervention

Predictive modeling of African swine fever (ASF) virus spread and surveillance measures

Outcome

Extent of virus spread and efficiency of surveillance measures

Main Result

Absolute Event Rate: 94% vs 15.2%

Predictive modeling of African swine fever in France indicates that while current surveillance is effective for large herds, specific screening protocols are needed for smaller, free-range herds to prevent widespread geographic dispersal.

Limitations

Only domestic pigs were considered, excluding the infection pressure from wild boars.
A single introduction site was assumed.
Local transmission pathway may be difficult to assess due to the lack of traceability.

Cite This Study

Andraud et al. (2019) studied African Swine Fever (n=21,446). Additional screening of small herds (<300 pigs) vs. Current surveillance measures was evaluated on Detection rate of infected herds (free-range index cases). Simulated additional screening of small herds (<300 pigs) increased the detection rate of African Swine Fever outbreaks from 15.2% to 94% when the virus was introduced into free-range herds.

synapsesocial.com/papers/6ab5fb2e11ffef926e20bf39 https://doi.org/10.3389/fvets.2019.00248

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Threat to the French Swine Industry of African Swine Fever: Surveillance, Spread, and Control Perspectives

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Threat to the French Swine Industry of African Swine Fever: Surveillance, Spread, and Control Perspectives

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Also Consider

Also Consider