Black soldier fly (Hermetia illucens) larvae meal improves growth performance, feed utilization, amino acids profile, and economic benefits of Nile tilapia (Oreochromis niloticus, L.)

IF 1.4 Q3 MARINE & FRESHWATER BIOLOGY International Aquatic Research Pub Date : 2022-01-01 DOI:10.3153/ar22023
Simon M. Shati, Mary A. Apiyo, Rita N. Nairuti, A. Shoko, Fridah Munyi, E. Ogello
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引用次数: 1

Abstract

This study investigated the effect of replacing soybean meal (SBM) with black soldier fly larvae meal (BSFLM) on the growth performance, feed utilization, carcass body composition, and amino acids profile of Nile tilapia (Oreochromis niloticus). Three isonitrogenous (30% crude protein) diets containing BSFLM in varying proportions of 0% (BSFLM0), 50% (BSFLM50), and 100% (BSFLM100), were formulated to replace SBM. A commercial diet (COMM0) sourced from the local market was used as a positive control. Male sex-reversed O. niloticus juveniles of a mean weight 20.88 ±0.16 g were stocked in 12 cages each at a density of 12.5 fish m-3. Fish were hand-fed at 5% (28 days), 3% (54 days), and 2.5% (84 days) of the body weight twice a day (1000 hrs and 1600 hrs). Significant differences (P < 0.05) were found in the final body weight, body weight gain (BWG), specific growth rate (SGR), feed conversion ratio (FCR), survival rate, and condition factor (K). The best growth performance and feed utilization was recorded in fish fed on BSFLM100. The different diets had significant effects on the body composition and amino acid profiles of the experimental fish (P<0.05). Fish fed on BSFLM100 exhibited highest values for phenylalanine, threonine, Isoleucine, lysine, proline, and glutamic acid amino acids. The partial enterprise budget analysis indicated that replacing SBM with BSFLM at 50% and 100% reduced the cost of production compared to the control diet (BSFLM0) and commercial diet (COMM0). The study demonstrated that BSFLM is a cost-effective alternative to SBM in the diets of Oreochromis niloticus hence can replace soybean meal up to 100% without negative effect on growth and carcass body composition.
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黑兵蝇(Hermetia illucens)幼虫粉提高尼罗罗非鱼(Oreochromis niloticus, L.)的生长性能、饲料利用率、氨基酸结构和经济效益。
本试验研究了黑虻幼虫粕(BSFLM)替代豆粕(SBM)对尼罗罗非鱼(Oreochromis niloticus)生长性能、饲料利用率、胴体组成和氨基酸分布的影响。配制3种含0% (BSFLM0)、50% (BSFLM50)和100% (BSFLM100)等氮(30%粗蛋白质)饲粮替代SBM。阳性对照采用来自当地市场的商业饲粮(COMM0)。将平均体重为20.88±0.16 g的雄性尼罗ticus幼鱼放养在12个网箱中,每个网箱的密度为12.5鱼m-3。分别以体重的5% (28 d)、3% (54 d)和2.5% (84 d)手工饲喂,每天两次(1000 h和1600 h)。最终体重、增重(BWG)、特定生长率(SGR)、饲料系数(FCR)、成活率和条件因子(K)差异显著(P < 0.05),其中BSFLM100的生长性能和饲料利用率最高。不同饲料对试验鱼体组成和氨基酸分布有显著影响(P<0.05)。饲喂BSFLM100的鱼苯丙氨酸、苏氨酸、异亮氨酸、赖氨酸、脯氨酸和谷氨酸的氨基酸含量最高。部分企业预算分析表明,与对照饲粮(BSFLM0)和商业饲粮(COMM0)相比,用BSFLM替代SBM可降低50%和100%的生产成本。本研究表明,BSFLM可替代SBM,在不影响瘤胃生长和胴体组成的情况下,可100%替代豆粕。
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来源期刊
International Aquatic Research
International Aquatic Research MARINE & FRESHWATER BIOLOGY-
CiteScore
2.40
自引率
7.70%
发文量
0
审稿时长
12 weeks
期刊介绍: The journal (IAR) is an international journal that publishes original research articles, short communications, and review articles in a broad range of areas relevant to all aspects of aquatic sciences (freshwater and marine). The Journal specifically strives to increase the knowledge of most aspects of applied researches in both cultivated and wild aquatic animals in the world. The journal is fully sponsored, which means it is free of charge for authors. The journal operates a single-blind peer review process. The main research areas in aquatic sciences include: -Aquaculture- Ecology- Food science and technology- Molecular biology- Nutrition- Physiology- Water quality- Climate Change
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