• Title/Summary/Keyword: Black Soldier Fly (BSF)

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Long-term Usability Evaluation of Low Fish Meal Extruded Pellet Diet for Juvenile Olive Flounder Paralichthys olivaceus at Jeju Fish Farm (제주도 양식장 내 치어기 넙치(Paralichthys olivaceus)의 저어분 EP (Extruded Pellet) 사료 장기간 이용성 평가)

  • Hyunwoon Lim;Jaesik Kim;Daehyun Ko;Jin-Woo Song;Seunghan Lee;Sang-Woo Hur;Kang-Woong Kim;Kyeong-Jun Lee
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.57 no.1
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    • pp.23-31
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    • 2024
  • This study evaluated the utilization of a low fish meal (LFM) diet and black soldier fly (BSF) Hermetia illucens meal and oil as a fish meal (FM) substitute or functional additive for juvenile olive flounder Paralichthys olivaceus at the Jeju fish farm. Two experimental diets replaced FM using animal (tankage, poultry byproduct and tuna byproduct meal) and plant (wheat gluten and soy protein concentrate) protein sources, containing 45% (FM45) and 35% (FM35) of FM, respectively. One experimental diet replaced FM with animal, plant, and BSF meal, fish oil using insect meal and oil (FM35+). After the feeding trial ended, no differences in growth performance, feed utilization, survival and biological indices were observed among all experimental groups. Aspartate aminotransferase and cholesterol levels in the FM35 and FM35+ groups were significantly higher than that in the FM70 group. The linoleic acid level in the muscle was significantly higher in the fish fed with the FM70 diet than in those fed with the FM45, FM35, and FM35+ diets. Thus, the LFM diet is suitable for juvenile olive flounder farming during six months.