Physiological response of rainbow trout (Oncorhynchus mykiss) to graded levels of Hermetia illucens or poultry by-product meals as single or combined substitute ingredients to dietary plant proteins

Basilio Randazzo, Matteo Zarantoniello, Giorgia Gioacchini, Gloriana Cardinaletti, Alessia Belloni, Elisabetta Giorgini, Filippo Faccenda, Roberto Cerri, Emilio Tibaldi, Ike Olivotto