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食尿素补充剂对某些昆虫物种的表现的影响

Nikoletta Hetényi¹, András Bersényi¹, István Hullár¹

¹Department of Animal Nutrition and Clinical Dietetics, Institute for Animal Breeding, Nutrition and Laboratory Animal Science, University of Veterinary Medicine, Budapest, Hungary.

Acta veterinaria Hungarica

|April 5, 2024

概括

通过使用尿素作为部分蛋白质替代品,可以降低昆虫养殖成本. 研究表明,尿素可以取代家,牙买加野和黄粉的料中的25%的素,而不会影响它们的生长或生存.

科学领域:

昆虫营养和可持续农业
动物料替代品动物料替代品
生物技术在畜牧业中的应用

背景情况:

昆虫养殖提供了一个可持续的蛋白质来源,但高料成本仍然是一个挑战.
替代性源,如尿素,通过替代真正的蛋白质来提供潜在的成本降低.
了解不同昆虫物种中尿素的利用对于优化料配方至关重要.

研究的目的:

评估不同饮食源,特别是尿素和菌根素的比例,对昆虫生长和生存的影响.
为了确定尿素作为部分蛋白质替代品在四种商业上相关的昆虫物种的饮食中最佳的含量.
评估牙买加野 (JFC),家 (HC),黄粉幼虫 (YM) 和超级幼虫 (SW) 对补充尿素的饮食的物种特异反应.

主要方法:

六种异酸饮食 (3.52%) 配制了不同状素:尿素比例 (100:0,75:25,50:50,25:75,0:100) 和100%大豆粉控制.
在受控的住房条件下,给JFC,HC,YM和SW食 (的个体,幼虫的群体).
测量了体重 (BW) 和生存率 (SR),以评估不同源的影响.

主要成果:

所有测试的昆虫物种都表现出利用尿素作为源的能力.
与对照组相比,用尿素取代25%的菌根素并没有对HC,JFC和YM的BW或SR产生负面影响.
虽然25%的尿素含量没有显著改变SW最终的BW,但导致其生存率显著下降.

结论:

尿素可以有效地被JFC,HC,YM和SW利用,为昆虫料提供可行的替代源.
用尿素取代25%的小胞素对HC,JFC和YM是安全的,这可能会降低料成本.
尿素在SW饮食中的使用需要进一步调查,因为在25%的含量水平下观察到对生存率的负面影响.

关键词:

板球板球是什么意思昆虫是一种昆虫.营养营养营养营养这是一种超级虫.尿素 urea 的使用方法黄粉的黄粉是什么意思

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