Request for Proposals
Key feed research priorities for PEDv and SdCV:
- Conduct feed or feedstuff contamination risk assessments at all steps within the feed processing and delivery chain. Risk assessment should include potential role of vectors (i.e. birds) or fomites and development of best manufacturing and/or management practices to prevent feed contamination with PEDV/SdCV.
- Demonstrate virus survivability in feed and feed ingredients to include the following variables: feed and feed components, storage time and temperature, processing procedure and time (meal or pellet), and moisture content. Conditions investigated should be representative of industry processes. To allow for the most efficient use of checkoff funds we encourage investigating other viruses important to the industry in the same study (i.e. PRRS, TGE, Rotavirus, etc.).
- Investigate effectiveness and cost of feed or feed ingredient treatments that could be used to mitigate viral survival. Treatments can include feed additives (for example a binder or acidifier) or feed treatment (for example irradiation) and studies should include results on effect to feed nutritional quality as well as end point testing to show feed is safe post-treatment.
- Develop a viral dose-infection curve showing viral dose by time and by temperature for both pelleted and milled feed.
- Develop diagnostic procedures for determining potential live virus contamination of feed or feedstuffs.