Use of black soldier fly (Hermetia illucens) meal in rainbow trout (Oncorhynchus mykiss) feeds

A key aspect of the aquaculture industry sustainability is the supply of proteins for aqua feeds as fish meal (FM) is a finite resource. Several alternatives have been tested and nowadays FM represent only about 10 to 20% of the feed for carnivorous aquaculture species, the rest of protein supply being covered mainly by vegetable proteins even if adverse effect can occur (Jobling, 2015). Recently the interest of researchers about insect meals has increased, and studies have highlighted that they can successfully be used in fish diets (Barroso et al., 2014; Henry et al., 2015). Black soldier fly (BSF-Hermetia illucens) meal seems a good candidate due to its valuable nutritional properties; the aim of this research was to investigate the effects of the inclusion of a defatted BSF in rainbow trout feed on performances, somatic indexes, and some quality parameters. Data were analyzed by one way ANOVA. Significance was accepted for P≤0.05.