Insect Larvae as an Alternate Protein Source in Poultry Feed Improve the Performance and Meat Quality of Broilers

Animals Pub Date : 2024-07-12 DOI:10.3390/ani14142053
M. Sajjad, A. Sajjad, G.A. Chishti, E. Khan, R. Mozūraitis, M. Binyameen
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Abstract

The primary challenge facing the global animal industry is the scarcity of protein feed resources. Various insects are gaining prominence as innovative feed sources due to their economic, environmentally friendly, and nutritious attributes. The purpose of the present study was to determine the effects of a partial replacement of soybean meal with fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) and black soldier fly Hermetia illucens (Diptera: Stratiomyidae) on the growth performances, blood parameters, gut histology, and meat quality of broilers. A total of 350 1-day-old (40 ± 0.15 g) male chicks (Ross 308) were randomly assigned to seven experimental meals. Each treatment was repeated five times with 50 birds per dietary treatment. The seven dietary treatments included 4, 8, and 12% replacements of SBM with larvae of S. frugiperda and H. illucens. SBM was the basal diet considered the control. The data showed that broilers fed 12% S. frugiperda or H. illucens exhibited a significantly higher (p < 0.05) live weight, average daily weight gain, and improved the feed conversion ratio. Meals with 12% S. frugiperda or H. illucens significantly enhanced (p < 0.05) haematological and gut histological parameters, including villus height, crypt depth, villus width, and villus height/crypt depth ratios. The meat of broilers fed the 12% S. frugiperda diet showed significantly higher (p < 0.05) lightness and yellowness. Replacing soybean meal up to 12% with either S. frugiperda or H. illucens larvae improves the growth performance, blood haematology, gut morphometry, and meat quality traits of broilers.
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昆虫幼虫作为家禽饲料中的替代蛋白源可提高肉鸡的性能和肉质
全球畜牧业面临的主要挑战是蛋白质饲料资源稀缺。各种昆虫因其经济、环保和营养丰富的特性,作为创新饲料来源的地位日益突出。本研究的目的是确定用秋季军蝇(鳞翅目:夜蛾科)和黑兵蝇(双翅目:鞘翅目)部分替代豆粕对肉鸡生长性能、血液参数、肠道组织学和肉质的影响。将 350 只 1 日龄(40 ± 0.15 克)的雄性雏鸡(Ross 308)随机分配到 7 个实验餐中。每个处理重复五次,每次 50 只。七种日粮处理包括 4%、8% 和 12% 的 SBM 与 S. frugiperda 和 H. illucens 幼虫替代。SBM 是基础日粮,被视为对照组。数据显示,饲喂 12% S. frugiperda 或 H. illucens 的肉鸡活重和平均日增重显著提高(p < 0.05),饲料转化率也有所提高。添加了 12% S. frugiperda 或 H. illucens 的膳食明显提高了血液学和肠道组织学参数(p < 0.05),包括绒毛高度、隐窝深度、绒毛宽度和绒毛高度/隐窝深度比。饲喂 12% S. frugiperda 日粮的肉鸡肉质光亮度和黄度明显更高(p < 0.05)。用S. frugiperda或H. illucens幼虫替代高达12%的豆粕可改善肉鸡的生长性能、血液学、肠道形态学和肉质性状。
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