The effects of the particle size of four different feeds on the larval growth of Tenebrio molitor (Coleoptera: Tenebrionidae)

Deen, Somaya Naser El; Spranghers, Thomas; Baldacchino, Ferdinando; Deruytter, David

doi:10.14411/eje.2022.026

Cited by 7 publications

(5 citation statements)

References 27 publications

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“…In the current study, the substrates’ moisture content is 65% but the water-holding capacity (WHC) of each substrate was not measured which led to water–substrate stratification. On the other hand, Naser El Deen [ 54 ] studied the effect of substrate particle size on the larval growth of Tenebrio molitor . The results showed that different particle sizes affected the growth rate and performance of mealworms in which a particle size smaller than 2 mm was preferred by the larvae.…”

Section: Discussionmentioning

confidence: 99%

Bioconversion of Different Waste Streams of Animal and Vegetal Origin and Manure by Black Soldier Fly Larvae Hermetia illucens L. (Diptera: Stratiomyidae)

Deen

Rozen²,

Elissen³

et al. 2023

Insects

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Black soldier fly larvae (BSFL) are considered a commercially viable solution for global organic waste problems. The objective of this study was to assess the feasibility of rearing BSFL on a wide range of low-value waste streams and its potential to transform them into high-quality animal feed and fertilizer. Six waste streams of different origins were selected and each tested in triplicate. Several parameters were analysed: growth performance, waste reduction index (WRI), conversion efficiency (ECI) and larval composition. Frass composition was also analysed. Larvae reared on fast food waste (FFW) had the highest ECI and WRI and the lowest values when reared on pig manure slurry mixed with silage grass (PMLSG) and slaughter waste (SW). The highest protein content was found for larvae reared on mushroom stems (MS) although this substrate had the lowest protein content. Moreover, the frass nutritional profile was proportionally related to the substrate’s nutritional profile: the protein-rich substrate (SW) resulted in protein-rich frass and the low-protein substrate (MS) resulted in protein-poor frass. The same was true for the lipid content. In conclusion, this study showed that BSFL can be successfully reared on a wide range of waste streams that can affect the larval and frass chemical compositions.

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Section: Discussionmentioning

confidence: 99%

Bioconversion of Different Waste Streams of Animal and Vegetal Origin and Manure by Black Soldier Fly Larvae Hermetia illucens L. (Diptera: Stratiomyidae)

Deen

Rozen²,

Elissen³

et al. 2023

Insects

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“…Diet particle size was not measured. However, in recent work, wheat bran, chicken feed pellet, or ground corn kernel diets of a particle size of less than 2.0 mm enhanced the growth of yellow mealworm (T. molitor) larvae [41]. Due to their small size, i.e., small mouthparts, it is conceivable that Cmac first instars were incapable of obtaining sufficient food, thus limiting their growth and development.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Black Soldier Fly Hermetia illucens as Food for Pink-Spotted Lady Beetle Coleomegilla maculata

Riddick,

Walker,

Rojas

et al. 2023

Insects

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The discovery of new and improved factitious and artificial diets is necessary for cost-effective rearing of predatory arthropods. This study evaluated Hermetia illucens black soldier fly (BSF) as a suitable alternative food source for rearing the predatory coccinellid Coleomegilla maculata (Cmac). The hypothesis that BSF larval powder was suitable food to support the growth, development, and reproduction of Cmac was tested in the laboratory. When compared to a standard in-house diet containing brine shrimp egg powder plus Chlorella vulgaris green algae and myristic acid (BSE+CM), the BSF and BSF+CM diets reduced immature growth and development. Immatures successfully reared to teneral adults were smaller when fed BSF or BSF+CM rather than BSE+CM. Combining BSF with a powdered artificial diet (AD), i.e., BSF+AD, did not improve predator growth or development, compared to Cmac reared on BSE+CM. Cmac oviposition responses, i.e., egg clutch production, to BSF vs. BSE+CM or BSF+AD vs. BSE+CM did not differ significantly. In conclusion, BSF has the potential to be food that supports Cmac oviposition behavior. Future research is necessary to discover an ideal mixture of BSF, BSE+CM, or AD that supports Cmac growth, development, and reproduction over multiple generations.

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“…The effect of maize by-products on the growth and nutritional value of TM larvae has been studied again one year later by Naser El Deen et al [119]. Specifically, four different particle sizes of feeding substrates were studied, that is, 0-0.8 mm, 0.8-2 mm, 2-3 mm, and 3-4 mm, but in terms of growth and nutritional value of TM larvae, only the first (0.8-2 mm) and the last (3-4 mm) were analyzed.…”

Section: Grain/cereal By-products As Feed Substrate For Tenebrio Moli...mentioning

confidence: 99%

Exploiting Agri-Food Waste as Feed for Tenebrio molitor Larvae Rearing: A Review

Kotsou,

Chatzimitakos,

Athanasiadis

et al. 2024

Foods

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The agri-food industry generates substantial amounts of waste, including by-products and residues. The increasing demand for sustainable and eco-friendly practices in the agri-food sector has sparked an interest in finding alternative uses for such waste materials. One promising approach is the utilization of waste from the agri-food industry as feed for the rearing of mealworms (Tenebrio molitor). Since agri-food waste is rich in proteins, carbohydrates, lipids, and vitamins, as well as other bioactive compounds, all of which are essential for insect growth and development, incorporating such waste into the diet of mealworms promotes sustainable insect production, reducing the economic and environmental problems associated with waste disposal. This practice can also be beneficial for the rearing of mealworms since their nutritional value can also be enhanced. To this end, various waste materials, such as fruit and vegetable peels, spent grains, and food processing residues, have been investigated as potential feed sources, leading to increased mass production, lower cost, and enhanced nutritional value. This review aims to highlight the potential of agri-food waste as a feed source for mealworms, as well as their potential to enhance their nutritional value. Furthermore, the potential applications of mealworms reared on agri-food waste are highlighted, including their potential as a sustainable protein source for human consumption and as feed ingredients in the livestock and aquaculture sectors.

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The effects of the particle size of four different feeds on the larval growth of Tenebrio molitor (Coleoptera: Tenebrionidae)

Cited by 7 publications

References 27 publications

Bioconversion of Different Waste Streams of Animal and Vegetal Origin and Manure by Black Soldier Fly Larvae Hermetia illucens L. (Diptera: Stratiomyidae)

Bioconversion of Different Waste Streams of Animal and Vegetal Origin and Manure by Black Soldier Fly Larvae Hermetia illucens L. (Diptera: Stratiomyidae)

Evaluation of Black Soldier Fly Hermetia illucens as Food for Pink-Spotted Lady Beetle Coleomegilla maculata

Exploiting Agri-Food Waste as Feed for Tenebrio molitor Larvae Rearing: A Review

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