Effect of Food Waste on The Growth Performance, Waste Reduction Efficiency and Nutritional Composition of Black Soldier Fly (Hermetia illucens (L.), Diptera: Stratiomyidae) Larvae

Q4 Agricultural and Biological Sciences
Muhammad Nur Hariri, Ahmad Razali Ishak, Razi Ikhwan Md Rashid
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Abstract

The rate of solid waste generation, especially in Malaysia, has become one of the major concerns for environmental and public health issues. Food waste accounts for the highest percentage of solid waste that ends up in landfills. Due to the living nature of humans and their involvement in agricultural, industrial, and municipal activities, the disposal of food waste happens on a regular basis. Due to the absence of an incineration plant, these wastes are commonly sent into landfills which are considered to be the most cost-effective method for disposal. Nevertheless, consideration for an alternative disposal method such as composting shall not be ruled out entirely. One of the established methods for composting food waste is the utilization of the larvae of the Black Soldier Fly. A study was conducted to assess the growth and nutritional composition, waste reduction capacity and nutritional composition of Black Soldier Fly Larvae (BSFL) reared on food waste. We found that the larvae reared with the food waste and effective microorganism (EM), LFWEM (BSFL reared with a mixture of food waste and effective microorganisms), have a slightly better relative growth rate (2.66 ± 0.35 day-1) compared to larvae reared with only food waste (2.44 ± 0.17 day-1). The waste reduction index was higher in the LFWEM group (5.36 ± 0.18 g/day) compared to the control group, LFC (BSFL reared with chicken feed) (4.85 ± 0.03 g/day) and the LFW (BSFL reared with food waste) group (5.13 ± 0.17 g/day). The nutritional composition of the BSFL reared using food waste shows some potential as it surpasses some of the amount of essential amino acids including Arginine, Histidine, Threonine and Valine, found in the commercially available animal feeds. This finding serves as a baseline to propose potential replacements for animal protein by using BSFL reared with food waste.
厨余对黑兵蝇(Hermetia illucens (L.), Diptera: Stratiomyidae)幼虫生长性能、减废效率和营养成分的影响
固体废物的产生率,尤其是在马来西亚,已成为环境和公共卫生问题的主要关注点之一。在最终被填埋的固体废物中,厨余垃圾所占比例最高。由于人类的生活特性及其参与农业、工业和市政活动的情况,食物垃圾的处理经常发生。由于没有焚烧厂,这些废物通常被送往垃圾填埋场,而垃圾填埋场被认为是最具成本效益的处理方法。不过,也不能完全排除堆肥等替代处置方法。利用黑兵蝇幼虫堆肥是处理厨余的成熟方法之一。我们进行了一项研究,以评估在厨余垃圾上饲养的黑兵蝇幼虫(BSFL)的生长和营养成分、垃圾减量能力和营养成分。我们发现,与只用厨余饲养的幼虫(2.44 ± 0.17 天-1)相比,用厨余和有效微生物(EM)饲养的幼虫(LFWEM,即用厨余和有效微生物混合物饲养的 BSFL)的相对生长率(2.66 ± 0.35 天-1)略好。与对照组、LFC(用鸡饲料饲养的 BSFL)组(4.85 ± 0.03 克/天)和 LFW(用厨余饲养的 BSFL)组(5.13 ± 0.17 克/天)相比,LFWEM 组的废物减少指数更高(5.36 ± 0.18 克/天)。使用厨余饲养的 BSFL 的营养成分显示出一定的潜力,因为它超过了市售动物饲料中的一些必需氨基酸,包括精氨酸、组氨酸、苏氨酸和缬氨酸。这一发现可作为使用厨余饲养的 BSFL 取代动物蛋白的潜在建议的基线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Malaysian applied biology
Malaysian applied biology Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
0.60
自引率
0.00%
发文量
69
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