050 | Proliferative Kidney Disease: New Insights for Piedmont Region; Correlation Between Clinical Signs and Proliferative Kidney Disease Positivity in Rainbow Trout: Giorgia Zicarelli1, Annalisa Cotugno1, Sara Glorio Patrucco1, Silvia Colussi1|2, Giulia Milanese1, Giulia Stilo1, Martina Gini1, Pier Luigi Acutis1, Caterina Faggio3|4, Giuseppe Esposito1, Paolo Pastorino1, Marino Prearo1 | 1Istituto Zooprofilattico Sperimentale Del Piemonte, Liguria E Valle d’Aosta, Turin, Italy; 2Department of Animal, Nutritional and Food Sciences, Università Cattolica Del Sacro Cuore, Piacenza, Italy; 3Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy; 4Department of Eco-Sustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Napoli, Italy. J Biol Res 2026, 99 (s1). https://doi.org/10.4081/jbr.2026.15302.