Conventional feed additives or red claw crayfish meal and dried microbial biomass as feed supplement in fish meal-free diets for rainbow trout (Oncorhynchus mykiss): Possible ameliorative effects on growth and gut health status

Matteo Zarantoniello, Lina Fernanda Pulido Rodríguez, Basilio Randazzo, Gloriana Cardinaletti, Elisabetta Giorgini, Alessia Belloni, Giulia Secci, Filippo Faccenda, Domitilla Pulcini, Giuliana Parisi, Fabrizio Capoccioni, Emilio Tibaldi, Ike Olivotto