plSSN : 0374-8111 | elSSN : 2287-8815
plSSN : 0374-8111 | elSSN : 2287-8815
plSSN : 0374-8111elSSN : 2287-8815
Effects of Dietary Black Soldier Fly Hermetia illucens Lavae Meal as a Fishmeal Replacement on Growth and Body Composition in Juvenile Korean Rockfish Sebastes schlegeli
이진혁·김수환·한현섭·전지호·정성목1·배진호1·김준1·허상우1*·이승한*
국립군산대학교 해양생명과학과, 1국립수산과학원 사료연구센터
A 10 week feeding trial was performed to evaluate the effects of dietary black soldier fly Hermetia illucens larvae meal (BSFM) on growth, hematology, and nonspecific immune responses in juvenile Korean rockfish Sebastes schlegeli. Groups of 20 fish weighing 3.5±0.1 g were fed one of three experimental diets in which fish meal (FM) was partially replaced with BSFM: B0 (FM 60%+BSFM 0%), B4 (FM 56%+BSFM 4%), and B7 (FM 53%+BSFM 7%). All diets were formulated to be isonitrogenous and isolipidic, ensuring that proximate nutrient compositions (crude protein and crude lipid) remained constant across treatments despite the graded substitution of FM with BSFM. Following the feeding trial, no significant differences were observed in weight gain, feed efficiency, or survival of fish fed the experimental diets. Whole-body proximate composition, hematological parameters (serum aspartate amino transferase, alanine amino transferase, glucose, and total protein), and nonspecific immune responses (superoxide dismutase, lysozyme and glutathione peroxidase) were not significantly influenced. Notably, whole-body lauric acid content and blood triglyceride levels in fish increased significantly with increasing dietary BSFM levels. Overall, BSFM can replace FM in the diet of juvenile Korean rockfish at levels up to 7% without negatively affecting growth performance.
Black soldier fly, Fishmeal replacement, Korean rockfish