Validation of a model for ranking aquaculture facilities for risk-based disease surveillance

摘要: A semi-quantitative model for risk ranking of aquaculture facilities in Switzerland with regard to the introduction and spread Viral Haemorrhagic Septicaemia (VHS) Infectious Haematopoietic Necrosis (IHN) was developed a previous study (Diserens et al., 2013). The objective present validate this using data collected during field visits on sites four Swiss cantons compared through questionnaire study. discrepancy between values obtained two different methods found 32.8% parameters, resulting significant difference (p<0.001) classification facilities. As gathered exclusively by means are not sufficient quality perform risk-based surveillance combination questionnaires farm inspections is proposed. web-based reporting system could be advantageous factors which were identified as being more likely vary over time, particular considering fish movements, showed marginally their scores (p≥0.1) within six- month period. Nevertheless, proved stable considered period time no substantial fluctuations categorisation observed (Kappa agreement 0.77).Finally, suitable deliver reliable according getting infected or spreading VHS IHN, five that tested positive these diseases last ten years ranked medium high risk. Moreover, because seven farms Pancreatic (IPN) same also belonged categories high, appeared correlate occurrence third viral disease.