Quantitative Microbiological Risk Assessment (QMRA) IS a scienllfic tool that can be used to evaluate the level of exposure and subsequently the risk to human health However using this technique one should be aware of the llm1ts of the QMRA model due to data quality limited amount of lime, model uncertainty and quality of assumptions. In addition, each information source may have diffrent study designs, sampling methods, diagnostic tools etc. Within the Belgian Salmonella QMRA-model in pigs following exposure pathways were identified primary production, transport, slaughterhouse & post processmg, d1stnbution & storage consumer dose response From more than 60 available data sources, information was available for up to 101 potential input parameters, which were essential for building up the model-framework.