Disease Detection (Monitoring and Surveillance Systems)
This section includes information on studies/projects for pathogen (and/or disease) monitoring and surveillance systems.
For macro-epidemiological aspects of pathogen detection and/or disease incidence, follow the links below and please visit the SDRS page.
| Title | Links to materials |
| Swine Disease Reporting System (aggregated data from 4 major VDLs): reporting, and detecting changes in patterns over time, age group, region, specimens, and pathogen sub-type. | > Trevisan et al., Getting more competitive and compared: lessons learned with the SDRS. McKean Iowa State Swine Disease Conference 2020. > Trevisan et al. Prediction of seasonal patterns of porcine reproductive and respiratory syndrome virus RNA detection in the U.S. swine industry. JVDI 2020. > Trevisan et al. Macroepidemiological aspects of PRRSV detection by major United States VDLs over time age group and specimen. Plos One 2020. > Linhares et al. Summary SDRS findings. 2019 OASV (Collingwood, Ontario). > Trevisan. Summary and implication of SDRS results. 2019 McKean conference. > Trevisan 2019. Aggregating results and summarizing findings from multiple VDLs on a near real-time basis. AAVLD annual meeting. Providence, RI. > Trevisan 2019. Disease detection at a veterinary diagnostic laboratory based on diagnostician interpretation and diagnostic codes. AAVLD annual meeting. Providence, RI. > Linhares et al., 2019 Mexico. Macro-epidemiological aspects of major pathogens affecting the US swine industry. > Trevisan et al., 2019 AASV poster: Cyclic regression models for PRRS, PED, Delta. > Trevisan et al., 2018 Leman Pre-Conference slides Trevisan et al., 2018 ISU James McKean conference slides. > Monthly reports available here > Online dashboards available here. |
| Mycoplasma hyopneumoniae detection by PCR: | > Rawal et al., Patterns of Mycoplasma hyopneumoniae detection by PCR in cases submitted to the ISU-VDL from 2004-2016 AASV 2018. > Rawal et al., Patterns of Mycoplasma hyopneumoniae detection by PCR in cases submitted to the ISU-VDL from 2004-2016 JSHAP 2018. |
| Ecology of type I PRRSv in Europe | > Torrents et al., 2018 AASV meeting. |
| Dynamics of PRRS virus type I and II detection in growing pigs raised in high pig density area in the US. | > Trevisan et al. 2020 AASV: genetic diversity PRRSV RFLP within and between US states during 2007-2019. > Moura et al. 2019 ISU McKean Swine Disease Conference. > Moura et al., Impact of timing of infection (early, mid, late finishing) on mortality. 2019 AASV conference. > Moura et al., Effect of frequency of wild-type detection and/or viral diversity on wean to finish mortality. 2019 Leman conference. |
| Genetic diversity of main PRRS RFLP types in the US swine industry. | > Trevisan et al., Genetic diversity of RFLP types within and between US states. 2019 Leman conference. |
For information on monitoring and surveillance strategies to detect pathogens or disease:
- General recommendations available in the presentations below:
- Almeida et al., Breeding herd PRRSV surveillance. 2020 McKean Iowa State Swine Disease Conference.
- Lopez et al., Practical aspects of PRRSV detection in processing fluids. Prev Vet Med pre-proof 2020.
- Almeida et al., Sampling with processing fluids and family oral fluids over time: summary of preliminary findings. ISU, Dec 06, 2019.
- Linhares et al. Summary of field-applicable research on PRRS. 2019 OASV (Collingwood, Ontario).
- Almeida et al., Processing fluids and Family oral fluids for PRRSV monitoring in breeding herds undergoing elimination. 2019 McKean Conference.
- Linhares et al., Estrategias de muestreo para el PRRSV en granjas de cría (en español).
- Linhares et al., Overview and applications of population- based monitoring protocols for PRRSv detection in breeding herds
- Trevisan et al., AASV 2019: applications of PF, FOF, OF for disease monitoring and classification.
- Linhares et al., 2019. AASV PRRS Task Force meeting: PF for screening, FOF for confirming… some data and thoughts on pooling FOF samples.
- Linhares et al., 2019 AVIA conference in Canada: Overview and applications of population-based monitoring protocols for PRRSv detection in breeding herds.
- Presentations and guidelines about specific tools/methods:
