ABSTRACT
A feeding trial was conducted to investigate the effect of mushroom supplementation as a prebiotic compound in an
insect-based diet on the growth performance and feed utilization of red Tilapia (Oreochromis sp.). A total of 120
fingerlings were divided in triplicates for each treatment. Four experimental diets were offered to the fishes within a 56
days treatment period. Out of the four diets, three contained mushroom stalk meal (MSM) supplementation at various
levels of inclusion of prebiotic compound (0.5% MSM; 1.0% MSM; 1.5% MSM) and the fourth a control diet without MSM
inclusion. During the growth test, fish receiving diet containing prebiotic showed significantly higher (p0.05) were observed in whole body protein and ash contents
among the fish feeding on these diets. All water quality parameters showed no significant difference (p>0.05) in all
treatments. The result of this feeding trial indicate that the 10% supplementation level of MSM as a prebiotic for tilapia
could be used in the insect-based diet, Zophobas morio