Influence of Different Diets on Growth and Nutritional Composition of Yellow Mealworm

Bordiean, Anna; Krzyżaniak, Michał; Aljewicz, Marek; Stolarski, M.

doi:10.3390/foods11193075

Cited by 33 publications

(29 citation statements)

References 45 publications

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“…However, there have also been cases when this rule has not been observed. In the research study of Bordiean et al (2022), mealworm larvae consumed some diets where the protein content was almost the same (20.2–20.4%) but showed differences in protein content (50.9–53.4%) [ 68 ]. Accordingly, even feeds with poor or low protein quality can be used, resulting in insects with high protein concentrations.…”

Section: Discussionmentioning

confidence: 99%

Influence of Dietary Protein Content on the Nutritional Composition of Mealworm Larvae (Tenebrio molitor L.)

Kröncke

Benning

2023

Insects

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The use of insects as livestock feed is becoming increasingly accepted because they provide an important source of protein. The purpose of this study was to investigate the chemical composition of mealworm larvae (Tenebrio molitor L.) reared on a range of diets that differed in nutritional composition. Focus was placed on the influence of dietary protein content on larval protein and amino acid composition. For the experimental diets, wheat bran was chosen as the control substrate. The following types of flour-pea protein, rice protein, sweet lupine, and cassava, as well as potato flakes, were mixed with wheat bran and used as the experimental diets. An analysis of the moisture, protein, and fat content was then carried out for all diets and larvae. Furthermore, the amino acid profile was determined. It was shown that supplementing the feed with pea and rice protein was most suitable in terms of high protein yield in larvae (70.9–74.1% dry weight) with low fat content (20.3–22.8% dry weight). The total amino acid content was highest in larvae that were fed with a mixture of cassava flour and wheat bran (51.7 ± 0.5% dry weight), as well as the highest content of essential amino acids (30.4 ± 0.2% dry weight). Moreover, a weak correlation between larval protein content and diet was identified, yet a stronger influence of dietary fats and carbohydrates on larval composition was found. This research could result in improved formulations of artificial diets for Tenebrio molitor larvae in the future.

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Section: Discussionmentioning

confidence: 99%

Influence of Dietary Protein Content on the Nutritional Composition of Mealworm Larvae (Tenebrio molitor L.)

Kröncke

Benning

2023

Insects

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“…The lipid content (13.2%, DW) was considerably lower compared to insect species commercially available, such as black soldier fly (BSF) prepupae, with an average lipid content of 35.3% [ 18 ], Tenebrio molitor ranging from 22.3% to 30.0% [ 19 ], and slightly lower than Musca domestica , ranging from 16.1% to 21.2% [ 20 ]. This lower lipid content is closer to that displayed by other species of seaweed flies, such as Coelopa frigida (12.1% to 19.7%) and C. pilipes (14.2% to 16.8%) [ 7 ].…”

Section: Discussionmentioning

confidence: 99%

“…For instance, Ameixa et al [ 38 ] showed that BSF fed with olive pomace displayed a higher composition of monosaturated oleic FA (18:1). In M. domestica , the most abundant fatty acids are C16:1 n -7, C16:0, or C18:1 n -9, also varying according to the substrate used [ 39 ], whereas in T. molitor , the most abundant fatty acids are oleic (C18:1 n -9), linoleic acid (C18:2 n -6), and palmitic C16:0 [ 19 ].…”

Section: Discussionmentioning

confidence: 99%

Fatty Acid Profile and Escherichia coli and Salmonella sp. Load of Wild-Caught Seaweed Fly Fucellia maritima (Haliday, 1838) (Diptera: Anthomyiidae)

Lourenço,

Calado,

Pinho

et al. 2024

Insects

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World aquaculture is expected to continue to grow over the next few decades, which amplifies the need for a higher production of sustainable feed ingredients for aquatic animals. Insects are considered good candidates for aquafeed ingredients because of their ability to convert food waste into highly nutritional biomass. However, commercially available terrestrial insect species lack n-3 long-chain polyunsaturated fatty acids (LC-PUFAs), which are essential biomolecules for marine cultured species. Nevertheless, several coastal insect species feature LC-PUFAs in their natural fatty acid (FA) profile. Here, we analysed the lipidic profile of wild-caught seaweed fly Fucellia maritima, with a focus on their FA profile, to evaluate its potential to be used as an aquafeed ingredient, as well as to screen for the presence of pathogenic bacteria. Results showed that the flies had a total lipid content of 13.2% of their total dry weight. The main classes of phospholipids (PLs) recorded were phosphatidylethanolamines (PEs) (60.8%), followed by phosphatidylcholine (PC) (17.1%). The most abundant FA was palmitoleic acid (C16:0) with 34.9% ± 4.3 of total FAs, followed by oleic acid (C18:1) with 30.4% ± 2.3. The FA composition of the flies included essential fatty acids (EFAs) for both freshwater fish, namely linoleic acid (C18:2 n-6) with 3.4% ± 1.3 and alpha-linoleic acid (C18:3 n-3) with 3.4% ± 1.9, and marine fish, namely arachidonic acid (C20:4 n-6) with 1.1% ± 0.3 and eicosapentaenoic acid (C20:5 n-3) with 6.1% ± 1.2. The microbiological analysis found 9.1 colony-forming units per gram (CFU/g) of Enterobacteriaceae and no presence of Salmonella sp. was detected in a sample of 25 g of fresh weight. These findings indicate that Fucellia maritima biomass holds the potential to be used as an additional aquafeed ingredient due to its FA profile and the low count of pathogenic bacteria, which can contribute to the optimal growth of fish and shrimp with a low risk of pathogen transfer during the feed production chain.

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“…Bordiean et al [144] have also studied various nutritional substrates for rearing TM larvae and their effect on the nutritional value of TM larvae. In particular, they investigated the effect of mixing several cereal sub-products with the conventional TM larval food, bran, creating five different dietary substrates.…”

Section: Mixed By-products As Feed Substrate For Tenebrio Molitor (Tm...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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Influence of Different Diets on Growth and Nutritional Composition of Yellow Mealworm

Cited by 33 publications

References 45 publications

Influence of Dietary Protein Content on the Nutritional Composition of Mealworm Larvae (Tenebrio molitor L.)

Influence of Dietary Protein Content on the Nutritional Composition of Mealworm Larvae (Tenebrio molitor L.)

Fatty Acid Profile and Escherichia coli and Salmonella sp. Load of Wild-Caught Seaweed Fly Fucellia maritima (Haliday, 1838) (Diptera: Anthomyiidae)

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

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