Dried crickets (Gryllus sigillatus) or black soldier fly (Hermetia illucens) larvae meal for broiler chickens: nutrient composition and digestibility

IF 4.7 3区 农林科学 Q1 ENTOMOLOGY
H. J. Fisher, J.L. MacIsaac, B. Mason, B.R. Rathgeber, S. Colombo, M. Empey, S. A. Collins
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Abstract

This study explores the potential of cricket meal and black soldier fly larvae meal (BSFLM) as alternative protein sources in broiler chicken diets. With the use of the substitution method, using diatomaceous earth as an external marker, we investigated the nutrient availability and apparent metabilizeable energy content of oven-dried full-fat cricket meal (OD-CM), freeze-dried full-fat cricket meal (FD-CM), and defatted BSFLM in a feeding trial involving 320 Ross 308 broilers housed in 32 pens (8 replicates / treatment; 8 birds / pen). Feed intake, daily weight gain, and feed conversion ratio were measured between days 15 and 21. Excreta collected on days 19, 20, and 21 were analyzed for nutrient content. Both cricket treatments were high in crude protein. Additionally, FD-CM demonstrated the highest fat content, surpassing OD-CM. OD-CM displayed a significantly higher apparent digestibility coefficient for crude protein compared to BSFLM (). FD-CM had the highest apparent digestibility coefficient for gross energy (). The nitrogen-corrected apparent metabolizable energy of OD-CM and FD-CM were significantly higher than that of BSFLM (). Furthermore, OD-CM exhibited a significantly higher available crude protein content compared to BSFLM and FD-CM (). This research sheds light on the potential of OD-CM and FD-CM as valuable alternative protein sources for broiler chickens, providing critical insights for the poultry industry’s sustainable future. This research is important as the apparent digestibility coefficients, as well as available nutrients calculated for the three ingredients may be used to accurately formulate poultry diets on an available nutrient basis.
干蟋蟀(Gryllus sigillatus)或黑兵蝇(Hermetia illucens)幼虫肉鸡餐:营养成分和消化率
本研究探讨了蟋蟀粉和黑兵蝇幼虫粉(BSFLM)作为肉鸡日粮中替代蛋白质来源的潜力。通过使用硅藻土作为外部标记物的替代方法,我们在一项饲养试验中调查了烘干全脂蟋蟀粉(OD-CM)、冻干全脂蟋蟀粉(FD-CM)和脱脂 BSFLM 的营养成分可用性和表观可稳定能量含量,试验涉及饲养在 32 个栏(8 个重复/处理;8 只/栏)中的 320 只罗斯 308 肉鸡。第 15 天至第 21 天期间测量了饲料摄入量、日增重和饲料转化率。对第 19、20 和 21 天收集的排泄物进行了营养成分分析。两种蟋蟀处理的粗蛋白含量都很高。此外,FD-CM 的脂肪含量最高,超过了 OD-CM。与 BSFLM 相比,OD-CM 的粗蛋白表观消化系数明显更高()。FD-CM 的总能表观消化率系数最高()。OD-CM 和 FD-CM 的氮校正表观代谢能明显高于 BSFLM()。此外,与 BSFLM 和 FD-CM 相比,OD-CM 的可用粗蛋白含量明显更高()。这项研究揭示了 OD-CM 和 FD-CM 作为肉鸡宝贵的替代蛋白质来源的潜力,为家禽业的可持续未来提供了重要见解。这项研究非常重要,因为计算出的这三种原料的表观消化系数和可利用养分可用于在可利用养分的基础上准确配制家禽日粮。
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来源期刊
Journal of Insects as Food and Feed
Journal of Insects as Food and Feed Agricultural and Biological Sciences-Insect Science
CiteScore
7.00
自引率
17.60%
发文量
133
期刊介绍: The Journal of Insects as Food and Feed covers edible insects from harvesting in the wild through to industrial scale production. It publishes contributions to understanding the ecology and biology of edible insects and the factors that determine their abundance, the importance of food insects in people’s livelihoods, the value of ethno-entomological knowledge, and the role of technology transfer to assist people to utilise traditional knowledge to improve the value of insect foods in their lives. The journal aims to cover the whole chain of insect collecting or rearing to marketing edible insect products, including the development of sustainable technology, such as automation processes at affordable costs, detection, identification and mitigating of microbial contaminants, development of protocols for quality control, processing methodologies and how they affect digestibility and nutritional composition of insects, and the potential of insects to transform low value organic wastes into high protein products. At the end of the edible insect food or feed chain, marketing issues, consumer acceptance, regulation and legislation pose new research challenges. Food safety and legislation are intimately related. Consumer attitude is strongly dependent on the perceived safety. Microbial safety, toxicity due to chemical contaminants, and allergies are important issues in safety of insects as food and feed. Innovative contributions that address the multitude of aspects relevant for the utilisation of insects in increasing food and feed quality, safety and security are welcomed.
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