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Effects of dietary protein and carbohydrate on life-history traits and body protein and fat contents of the black soldier fly Hermetia illucens
Physiological Entomology ( IF 1.5 ) Pub Date : 2019-03-12 , DOI: 10.1111/phen.12285
Karol B. Barragan-Fonseca 1, 2 , Gerrit Gort 3 , Marcel Dicke 1 , Joop J. A. van Loon 1
Affiliation  

We investigate how the black soldier fly Hermetia illucens L. (Diptera: Stratiomyidae) responds to dietary protein (P) and carbohydrate (C) contents and the P:C ratio in terms of both immature and adult life‐history traits, as well as effects on larval body composition. Nine chicken‐feed based diets varying in their P:C ratio are formulated. We test three protein concentrations (10%, 17% and 24%) and three carbohydrate concentrations (35%, 45% and 55%) and their combinations. All nine diets support the complete development and reproduction of this species. Survival is high on all diets. Development time, larval yield, larval crude fat and egg yield are more influenced by P and C contents than by the P:C ratio. Low contents result in a shorter development time. Larval yield is higher on diets with higher C‐contents. Pupal development is faster on a low dietary P‐content for all three C‐contents. Egg yield only increases when P‐content increases, although it also varies with the P:C ratio. Larval crude protein content is similar on all nine diets but increases when C‐content is low (10%) in P10 and P17. Larval crude fat content is high at P24‐diets irrespective of C‐content. We conclude that a high macronutrient content combined with a low P:C ratio positively affects H. illucens performance. The diet P17:C55 supports the highest larval and adult performance and results in a high larval body protein content and an intermediate crude fat content.

中文翻译:

膳食蛋白质和碳水化合物对黑水虻Hermetia illucens生活史性状及体蛋白和脂肪含量的影响

我们调查了黑色士兵飞行 Hermetia illucens L.(双翅目:Stratiomyidae)如何对膳食蛋白质 (P) 和碳水化合物 (C) 含量以及 P:C 比率在未成熟和成年生活史特征以及对幼虫体成分的影响。配制了 9 种 P:C 比例不同的鸡饲料。我们测试了三种蛋白质浓度(10%、17% 和 24%)和三种碳水化合物浓度(35%、45% 和 55%)及其组合。所有九种饮食都支持该物种的完整发育和繁殖。所有饮食的存活率都很高。发育时间、幼虫产量、幼虫粗脂肪和产蛋率受磷和碳含量的影响比受磷:碳比例的影响更大。低含量导致更短的开发时间。在 C 含量较高的饮食中,幼虫产量较高。对于所有三种 C 含量,在低膳食 P 含量的情况下,蛹发育更快。鸡蛋产量仅在 P 含量增加时增加,尽管它也随 P:C 比率而变化。所有九种日粮的幼虫粗蛋白含量相似,但在 P10 和 P17 中 C 含量低 (10%) 时会增加。无论 C 含量如何,P24 日粮中的幼虫粗脂肪含量都很高。我们得出结论,高常量营养素含量与低 P:C 比率相结合对 H.illucens 性能产生积极影响。饮食 P17:C55 支持最高的幼虫和成虫性能,并导致幼虫体内蛋白质含量高,粗脂肪含量中等。所有九种日粮的幼虫粗蛋白含量相似,但在 P10 和 P17 中 C 含量低 (10%) 时会增加。无论 C 含量如何,P24 日粮中的幼虫粗脂肪含量都很高。我们得出结论,高常量营养素含量与低 P:C 比率相结合对 H.illucens 性能产生积极影响。饮食 P17:C55 支持最高的幼虫和成虫性能,并导致幼虫体内蛋白质含量高,粗脂肪含量中等。所有九种日粮的幼虫粗蛋白含量相似,但在 P10 和 P17 中 C 含量低 (10%) 时会增加。无论 C 含量如何,P24 日粮中的幼虫粗脂肪含量都很高。我们得出的结论是,高常量营养素含量与低 P:C 比率相结合对 H.illucens 性能产生积极影响。饮食 P17:C55 支持最高的幼虫和成虫性能,并导致幼虫体内蛋白质含量高,粗脂肪含量中等。
更新日期:2019-03-12
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