April Domestic Swine Disease Monitoring Report Now Available

Apr 11, 2023

The Swine Health Information Center's (SHIC) April Domestic Swine Disease Monitoring Report is available.

This month's Domestic Swine Disease Monitoring Report brings information about the continued detection of PRRSV Lineage 1C variant of RFLP 1-4-4 in eastern US states (Indiana and Pennsylvania) and detections from sow farms in Oklahoma. For enteric coronaviruses, PDCoV positivity was above the expected in March, and the SDRS detected cycles of increased PDCoV activity occurring every two years; TGEV completed two years without RT-PCR detection (83,323 cases tested). Regarding PCV2, there was a marked increase in PCR positivity in the adult/sow farm category. In addition, PCV2 is in the top 10 pathogens detected in the confirmed disease diagnosis.

In the podcast, SDRS hosts talk with Dr. Maria Clavijo about Streptococcus suis dynamics, diagnostic process, and interventions to control the clinical expression of this pathogen.

View the full report dashboards and listen to podcasts in the online portal. No login required.

SHIC, launched in 2015 with Pork Checkoff funding, continues to focus efforts on prevention, preparedness, and response to novel and emerging swine disease for the benefit of US swine health.

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Video: Swine Industry Advances: Biodigesters Lower Emissions and Increase Profits

Analysis of greenhouse gas (GHG emissions) in the Canadian swine sector found that CH4 emissions from manure were the largest contributor to the overall emissions, followed by emissions from energy use and crop production.

This innovative project, "Improving Swine Manure-Digestate Management Practices Towards Carbon Neutrality With Net Zero Emission Concepts," from Dr. Rajinikanth Rajagopal, under Swine Cluster 4, seeks to develop strategies to mitigate greenhouse gas emissions.

While the management of manure can be very demanding and expensive for swine operations, it can also be viewed as an opportunity for GHG mitigation, as manure storage is an emission source built and managed by swine producers. Moreover, the majority of CH4 emissions from manure occur during a short period of time in the summer, which can potentially be mitigated with targeted intervention.

In tandem with understanding baseline emissions, Dr. Rajagopal's work focuses on evaluating emission mitigation options. Manure additives have the potential of reducing manure methane emissions. Additives can be deployed relatively quickly, enabling near-term emission reductions while biodigesters are being built. Furthermore, additives can be a long-term solution at farms where biogas is not feasible (e.g., when it’s too far from a central digester). Similarly, after biodigestion, additives can also be used to further reduce emissions from storage to minimize the carbon intensity of the bioenergy.