Effectiveness of Pig Farm Repopulation Protocol After African Swine Fever Outbreaks
Author Information
Author(s): Hsu Chia-Hui, Montenegro Maximino, Miclat-Sonaco Ruth, Torremorell Montserrat, Perez Andres M.
Primary Institution: University of Minnesota
Hypothesis
This study evaluates the effectiveness of post-outbreak disinfection protocols and government-mandated measures for repopulation standards in the Philippines.
Conclusion
The study found that 90.34% of farms achieved negative ASF detection, highlighting the effectiveness of the repopulation protocols.
Supporting Evidence
- 90.34% of farms remained ASF negative after following the repopulation protocol.
- Sentinel animals showed higher sensitivity in detecting ASF compared to environmental samples.
- The failure rate during repopulation surveillance was 9.66%.
- Geographic mapping identified high-risk locations for ASF outbreaks.
- Surveillance data were collected over a period from February 2020 to December 2021.
Takeaway
This study shows that most pig farms in the Philippines can safely repopulate after cleaning from a disease called African swine fever, but some still get sick.
Methodology
Data were collected from 145 swine farms over a period of 90 days, analyzing the effectiveness of repopulation protocols through survival analysis and sensitivity testing.
Potential Biases
Potential bias due to reliance on paper-based documentation and varying awareness of ASF protocols among farmers.
Limitations
The study may not be applicable to resource-limited regions due to varying compliance and resource availability.
Participant Demographics
99 backyard farms and 46 commercial farms were included in the study.
Digital Object Identifier (DOI)
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