POKNIAK, J., CORNEJO, S., GALLEGUILLOS, C., LARRAÍN, C. and BATTAGLIA, J. (1999) “Effects of pelletization or extrusion of the fattening diet on production performance of pan size rainbow trout (Oncorhynchus mykiss)”, Archivos de Medicina Veterinaria, 31(1), pp. 141–150. doi: 10.4067/S0301-732X1999000100017.