Visualizing Risk of Feed Source Pathogens Independent research confirms feed as a fomite for bacterial pathogens such as Salmonella and viral pathogens such as HPAI. Transmission risk varies across the production chain, dependent on the raw materials used, environmental conditions faced and the presence of legacy bacteria in feed and feed ingredient production systems. It’s easy to see why a single-step intervention, without proper recontamination protection, fails to reliably address the challenge. Cropping Ingredient processing/logistics Milling (storage, grinding, mixing, pelleting and cooling) On-farm & in feeders Food processing Profiling based on raw material risk (Richardson et al 2000, legacy bacteria in feed milling (Gosling et al 2022), on farm (Alali and Ricke 2012) and in food processing (EFSA 2022)